Winnebago County, Illinois

Year	Democrat	Republican	Others	Total
2024	59,942	59,257	2,148	121,347
2020	64,056	60,861	3,243	128,160
2016	55,713	55,624	8,718	120,055
2012	61,732	55,138	2,527	119,397
2008	70,034	53,886	2,111	126,031
2004	59,740	60,782	903	121,425

Year

Democrat

Republican

Others

Total

2024

59,942

59,257

2,148

121,347

2020

64,056

60,861

3,243

128,160

2016

55,713

55,624

8,718

120,055

2012

61,732

55,138

2,527

119,397

2008

70,034

53,886

2,111

126,031

2004

59,740

60,782

903

121,425

Measure	Winnebago County	Illinois	United States
Median age	39.6	39.1	39.1
Age 18–24	8.3%	9.1%	9.2%
Age 65 and older	18.5%	16.9%	17.2%

Measure

Winnebago County

Illinois

United States

Median age

39.6

39.1

Age 18–24

8.3%

9.1%

9.2%

Age 65 and older

18.5%

16.9%

17.2%

Measure	Winnebago County	Illinois	United States
Median household income	$65,837	$83,390	$84,427
Poverty rate	15.6%	11.8%	12.5%
Bachelor's degree or higher (25+)	25.2%	37.9%	35.6%

Measure

Winnebago County

Illinois

United States

Median household income

$65,837

$83,390

$84,427

Poverty rate

15.6%

11.8%

12.5%

Bachelor's degree or higher (25+)

25.2%

37.9%

35.6%

Measure	Winnebago County	Illinois	United States
Speaks a non-English language at home	15.2%	24.1%	22.3%
Spanish	10.3%	14.0%	13.6%

Measure

Winnebago County

Illinois

United States

Speaks a non-English language at home

15.2%

24.1%

22.3%

Spanish

10.3%

14.0%

13.6%

Measure	Winnebago County	Illinois	United States
Catholic	23.8%	24.2%	18.6%
Evangelical Protestant	21.0%	11.7%	16.5%
Unclaimed / not counted	43.0%	49.2%	51.5%
Mainline Protestant	6.4%	5.3%	5.2%

Measure

Winnebago County

Illinois

United States

Catholic

23.8%

24.2%

18.6%

Evangelical Protestant

21.0%

11.7%

16.5%

Unclaimed / not counted

43.0%

49.2%

51.5%

Mainline Protestant

6.4%

5.3%

5.2%

Precinct data

Results by precinct

387 precincts · 122,756 votes

Election

Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.

Winnebago County precinct-level presidential election results for 2024

Precinct -14011401	623	364	37	1,024	60.8%	35.5%	D+25.3
Precinct -Roscoe 9Roscoe 9	400	517	24	941	42.5%	54.9%	R+12.4
Precinct -01060106	465	411	39	915	50.8%	44.9%	D+5.9
Precinct -Pecatonica 4Pecatonica 4	297	592	25	914	32.5%	64.8%	R+32.3
Precinct -Rockford 14Rockford 14	470	423	20	913	51.5%	46.3%	D+5.1
Precinct -Roscoe 1Roscoe 1	334	556	21	911	36.7%	61.0%	R+24.4
Precinct -Owen 1Owen 1	345	539	23	907	38.0%	59.4%	R+21.4
Precinct -Harlem 21Harlem 21	352	536	15	903	39.0%	59.4%	R+20.4
Precinct -Roscoe 6Roscoe 6	325	550	24	899	36.2%	61.2%	R+25.0
Precinct -04050405	471	399	27	897	52.5%	44.5%	D+8.0
Precinct -02040204	477	379	35	891	53.5%	42.5%	D+11.0
Precinct -Harlem 4Harlem 4	328	545	13	886	37.0%	61.5%	R+24.5
Precinct -Harlem 1Harlem 1	406	444	31	881	46.1%	50.4%	R+4.3
Precinct -Rockford 30Rockford 30	367	483	29	879	41.8%	54.9%	R+13.2
Precinct -09060906	551	301	22	874	63.0%	34.4%	D+28.6
Precinct -Cherry Valley 3Cherry Valley 3	413	429	31	873	47.3%	49.1%	R+1.8
Precinct -Harlem 23Harlem 23	374	475	23	872	42.9%	54.5%	R+11.6
Precinct -Harlem 27Harlem 27	381	459	30	870	43.8%	52.8%	R+9.0
Precinct -Rockton 2Rockton 2	332	510	27	869	38.2%	58.7%	R+20.5
Precinct -Rockton 11Rockton 11	409	433	26	868	47.1%	49.9%	R+2.8
Precinct -Roscoe 11Roscoe 11	389	452	24	865	45.0%	52.3%	R+7.3
Precinct -Roscoe 2Roscoe 2	315	525	17	857	36.8%	61.3%	R+24.5
Precinct -Roscoe 15Roscoe 15	390	441	23	854	45.7%	51.6%	R+6.0
Precinct -04020402	462	347	43	852	54.2%	40.7%	D+13.5
Precinct -Harlem 17Harlem 17	344	482	24	850	40.5%	56.7%	R+16.2
Precinct -14021402	427	394	28	849	50.3%	46.4%	D+3.9
Precinct -Harlem 14Harlem 14	296	528	25	849	34.9%	62.2%	R+27.3
Precinct -Roscoe 8Roscoe 8	332	495	21	848	39.2%	58.4%	R+19.2
Precinct -Harlem 11Harlem 11	353	475	16	844	41.8%	56.3%	R+14.5
Precinct -Harlem 24Harlem 24	339	479	26	844	40.2%	56.8%	R+16.6
Precinct -Harlem 22Harlem 22	356	471	12	839	42.4%	56.1%	R+13.7
Precinct -Rockford 9Rockford 9	317	499	23	839	37.8%	59.5%	R+21.7
Precinct -12061206	444	367	26	837	53.0%	43.8%	D+9.2
Precinct -Rockton 1Rockton 1	352	456	29	837	42.1%	54.5%	R+12.4
Precinct -Harlem 10Harlem 10	332	480	23	835	39.8%	57.5%	R+17.7
Precinct -Rockford 8Rockford 8	280	533	19	832	33.7%	64.1%	R+30.4
Precinct -Rockton 5Rockton 5	376	433	22	831	45.2%	52.1%	R+6.9
Precinct -Rockford 5Rockford 5	375	423	31	829	45.2%	51.0%	R+5.8
Precinct -Laona 1Laona 1	285	521	22	828	34.4%	62.9%	R+28.5
Precinct -01050105	450	347	30	827	54.4%	42.0%	D+12.5
Precinct -Harlem 19Harlem 19	351	453	22	826	42.5%	54.8%	R+12.3
Precinct -Rockford 13Rockford 13	403	389	26	818	49.3%	47.6%	D+1.7
Precinct -Harlem 16Harlem 16	362	436	17	815	44.4%	53.5%	R+9.1
Precinct -Winnebago 1Winnebago 1	290	494	25	809	35.8%	61.1%	R+25.2
Precinct -06030603	458	326	24	808	56.7%	40.3%	D+16.3
Precinct -14031403	433	342	33	808	53.6%	42.3%	D+11.3
Precinct -10071007	483	293	30	806	59.9%	36.4%	D+23.6
Precinct -Rockton 6Rockton 6	309	479	17	805	38.4%	59.5%	R+21.1
Precinct -Harlem 25Harlem 25	357	415	23	795	44.9%	52.2%	R+7.3
Precinct -Roscoe 12Roscoe 12	365	415	15	795	45.9%	52.2%	R+6.3
Precinct -Rockford 26Rockford 26	351	423	16	790	44.4%	53.5%	R+9.1
Precinct -01040104	356	399	34	789	45.1%	50.6%	R+5.4
Precinct -Rockford 31Rockford 31	335	433	19	787	42.6%	55.0%	R+12.5
Precinct -Rockford 55Rockford 55	348	414	25	787	44.2%	52.6%	R+8.4
Precinct -Rockford 33Rockford 33	407	355	23	785	51.8%	45.2%	D+6.6
Precinct -01080108	393	362	27	782	50.3%	46.3%	D+4.0
Precinct -04040404	398	351	31	780	51.0%	45.0%	D+6.0
Precinct -Rockford 54Rockford 54	361	387	31	779	46.3%	49.7%	R+3.3
Precinct -Winnebago 2Winnebago 2	284	476	16	776	36.6%	61.3%	R+24.7
Precinct -Cherry Valley 5Cherry Valley 5	337	412	26	775	43.5%	53.2%	R+9.7
Precinct -Rockton 3Rockton 3	324	433	17	774	41.9%	55.9%	R+14.1
Precinct -03010301	440	312	19	771	57.1%	40.5%	D+16.6
Precinct -Harlem 5Harlem 5	294	453	22	769	38.2%	58.9%	R+20.7
Precinct -Rockton 8Rockton 8	329	409	27	765	43.0%	53.5%	R+10.5
Precinct -Rockford 25Rockford 25	394	350	15	759	51.9%	46.1%	D+5.8
Precinct -01070107	378	353	26	757	49.9%	46.6%	D+3.3
Precinct -Pecatonica 2Pecatonica 2	243	492	22	757	32.1%	65.0%	R+32.9
Precinct -Rockford 32Rockford 32	336	395	25	756	44.4%	52.2%	R+7.8
Precinct -Cherry Valley 6Cherry Valley 6	302	430	21	753	40.1%	57.1%	R+17.0
Precinct -Harlem 12Harlem 12	305	436	12	753	40.5%	57.9%	R+17.4
Precinct -Cherry Valley 1Cherry Valley 1	309	422	20	751	41.1%	56.2%	R+15.0
Precinct -01010101	387	334	29	750	51.6%	44.5%	D+7.1
Precinct -Roscoe 7Roscoe 7	315	408	24	747	42.2%	54.6%	R+12.4
Precinct -12071207	420	295	28	743	56.5%	39.7%	D+16.8
Precinct -02030203	447	266	29	742	60.2%	35.8%	D+24.4
Precinct -Roscoe 10Roscoe 10	322	401	19	742	43.4%	54.0%	R+10.6
Precinct -12011201	488	234	19	741	65.9%	31.6%	D+34.3
Precinct -Harlem 2Harlem 2	278	429	27	734	37.9%	58.4%	R+20.6
Precinct -Harlem 7Harlem 7	280	429	25	734	38.1%	58.4%	R+20.3
Precinct -01020102	369	346	16	731	50.5%	47.3%	D+3.1
Precinct -Harlem 15Harlem 15	295	419	13	727	40.6%	57.6%	R+17.1
Precinct -Rockton 10Rockton 10	300	404	19	723	41.5%	55.9%	R+14.4
Precinct -Cherry Valley 11Cherry Valley 11	310	381	29	720	43.1%	52.9%	R+9.9
Precinct -14051405	413	273	33	719	57.4%	38.0%	D+19.5
Precinct -Harlem 18Harlem 18	300	404	14	718	41.8%	56.3%	R+14.5
Precinct -Rockton 13Rockton 13	309	390	17	716	43.2%	54.5%	R+11.3
Precinct -04060406	361	328	26	715	50.5%	45.9%	D+4.6
Precinct -03020302	390	304	19	713	54.7%	42.6%	D+12.1
Precinct -Harlem 8Harlem 8	279	423	11	713	39.1%	59.3%	R+20.2
Precinct -Winnebago 3Winnebago 3	230	458	21	709	32.4%	64.6%	R+32.2
Precinct -04010401	291	388	26	705	41.3%	55.0%	R+13.8
Precinct -04030403	424	255	22	701	60.5%	36.4%	D+24.1
Precinct -06010601	319	361	16	696	45.8%	51.9%	R+6.0
Precinct -04070407	377	297	21	695	54.2%	42.7%	D+11.5
Precinct -Winnebago 4Winnebago 4	256	423	13	692	37.0%	61.1%	R+24.1
Precinct -Roscoe 5Roscoe 5	279	399	13	691	40.4%	57.7%	R+17.4
Precinct -Harlem 6Harlem 6	286	388	16	690	41.4%	56.2%	R+14.8
Precinct -01030103	336	333	18	687	48.9%	48.5%	D+0.4
Precinct -02060206	417	240	29	686	60.8%	35.0%	D+25.8
Precinct -Rockford 51Rockford 51	296	378	10	684	43.3%	55.3%	R+12.0
Precinct -02050205	423	234	26	683	61.9%	34.3%	D+27.7
Precinct -10051005	393	262	20	675	58.2%	38.8%	D+19.4
Precinct -Harlem 26Harlem 26	324	325	25	674	48.1%	48.2%	R+0.1
Precinct -Pecatonica 3Pecatonica 3	219	438	16	673	32.5%	65.1%	R+32.5
Precinct -Roscoe 4Roscoe 4	325	325	22	672	48.4%	48.4%	Even
Precinct -03060306	431	204	30	665	64.8%	30.7%	D+34.1
Precinct -09040904	444	195	23	662	67.1%	29.5%	D+37.6
Precinct -03040304	375	255	31	661	56.7%	38.6%	D+18.2
Precinct -Rockford 2Rockford 2	239	397	22	658	36.3%	60.3%	R+24.0
Precinct -Roscoe 3Roscoe 3	281	345	24	650	43.2%	53.1%	R+9.8
Precinct -Durand 1Durand 1	187	444	16	647	28.9%	68.6%	R+39.7
Precinct -Owen 2Owen 2	265	370	12	647	41.0%	57.2%	R+16.2
Precinct -Rockford 27Rockford 27	265	369	9	643	41.2%	57.4%	R+16.2
Precinct -Rockford 52Rockford 52	276	340	24	640	43.1%	53.1%	R+10.0
Precinct -10011001	368	249	22	639	57.6%	39.0%	D+18.6
Precinct -Burritt 1Burritt 1	191	430	18	639	29.9%	67.3%	R+37.4
Precinct -03070307	433	176	27	636	68.1%	27.7%	D+40.4
Precinct -Rockford 4Rockford 4	342	280	14	636	53.8%	44.0%	D+9.7
Precinct -Rockford 15Rockford 15	359	254	21	634	56.6%	40.1%	D+16.6
Precinct -04080408	330	286	17	633	52.1%	45.2%	D+7.0
Precinct -Durand 2Durand 2	180	423	30	633	28.4%	66.8%	R+38.4
Precinct -09020902	379	231	20	630	60.2%	36.7%	D+23.5
Precinct -14061406	341	263	20	624	54.6%	42.1%	D+12.5
Precinct -08040804	350	252	20	622	56.3%	40.5%	D+15.8
Precinct -Harlem 13Harlem 13	288	319	15	622	46.3%	51.3%	R+5.0
Precinct -08050805	365	239	15	619	59.0%	38.6%	D+20.4
Precinct -12021202	399	188	30	617	64.7%	30.5%	D+34.2
Precinct -08060806	354	247	15	616	57.5%	40.1%	D+17.4
Precinct -10031003	356	243	15	614	58.0%	39.6%	D+18.4
Precinct -Roscoe 14Roscoe 14	235	350	19	604	38.9%	57.9%	R+19.0
Precinct -Shirland 1Shirland 1	195	390	19	604	32.3%	64.6%	R+32.3
Precinct -09010901	381	200	21	602	63.3%	33.2%	D+30.1
Precinct -09050905	397	185	18	600	66.2%	30.8%	D+35.3
Precinct -14041404	349	224	19	592	59.0%	37.8%	D+21.1
Precinct -12041204	357	219	12	588	60.7%	37.2%	D+23.5
Precinct -Cherry Valley 9Cherry Valley 9	223	335	25	583	38.3%	57.5%	R+19.2
Precinct -10061006	311	256	14	581	53.5%	44.1%	D+9.5
Precinct -05040504	427	132	9	568	75.2%	23.2%	D+51.9
Precinct -Rockton 9Rockton 9	251	303	14	568	44.2%	53.3%	R+9.2
Precinct -Rockford 1Rockford 1	242	307	18	567	42.7%	54.1%	R+11.5
Precinct -10021002	323	231	12	566	57.1%	40.8%	D+16.3
Precinct -02010201	338	210	17	565	59.8%	37.2%	D+22.7
Precinct -08010801	341	190	16	547	62.3%	34.7%	D+27.6
Precinct -10041004	328	201	16	545	60.2%	36.9%	D+23.3
Precinct -02020202	334	190	15	539	62.0%	35.3%	D+26.7
Precinct -12051205	326	191	19	536	60.8%	35.6%	D+25.2
Precinct -Cherry Valley 4Cherry Valley 4	213	302	18	533	40.0%	56.7%	R+16.7
Precinct -06040604	238	274	11	523	45.5%	52.4%	R+6.9
Precinct -08030803	307	197	15	519	59.2%	38.0%	D+21.2
Precinct -05030503	372	137	7	516	72.1%	26.6%	D+45.5
Precinct -12031203	315	171	20	506	62.3%	33.8%	D+28.5
Precinct -Seward 1Seward 1	119	367	17	503	23.7%	73.0%	R+49.3
Precinct -03050305	379	100	23	502	75.5%	19.9%	D+55.6
Precinct -06020602	215	271	15	501	42.9%	54.1%	R+11.2
Precinct -Cherry Valley 2Cherry Valley 2	194	278	23	495	39.2%	56.2%	R+17.0
Precinct -Rockford 12Rockford 12	254	220	16	490	51.8%	44.9%	D+6.9
Precinct -08020802	289	179	11	479	60.3%	37.4%	D+23.0
Precinct -03030303	304	142	10	456	66.7%	31.1%	D+35.5
Precinct -07030703	314	132	6	452	69.5%	29.2%	D+40.3
Precinct -11041104	258	181	13	452	57.1%	40.0%	D+17.0
Precinct -05010501	383	56	3	442	86.7%	12.7%	D+74.0
Precinct -07010701	306	113	5	424	72.2%	26.7%	D+45.5
Precinct -09030903	278	129	9	416	66.8%	31.0%	D+35.8
Precinct -06050605	194	213	7	414	46.9%	51.4%	R+4.6
Precinct -07040704	279	130	5	414	67.4%	31.4%	D+36.0
Precinct -11011101	257	141	14	412	62.4%	34.2%	D+28.2
Precinct -13011301	360	44	8	412	87.4%	10.7%	D+76.7
Precinct -13051305	329	69	9	407	80.8%	17.0%	D+63.9
Precinct -Owen 3Owen 3	148	240	18	406	36.5%	59.1%	R+22.7
Precinct -05020502	296	97	12	405	73.1%	24.0%	D+49.1
Precinct -11021102	265	128	12	405	65.4%	31.6%	D+33.8
Precinct -07060706	306	89	3	398	76.9%	22.4%	D+54.5
Precinct -Harrison 1Harrison 1	131	244	11	386	33.9%	63.2%	R+29.3
Precinct -13021302	302	75	6	383	78.9%	19.6%	D+59.3
Precinct -07050705	317	51	6	374	84.8%	13.6%	D+71.1
Precinct -07020702	249	105	6	360	69.2%	29.2%	D+40.0
Precinct -11031103	190	110	9	309	61.5%	35.6%	D+25.9
Precinct -13041304	232	61	6	299	77.6%	20.4%	D+57.2
Precinct -05050505	203	61	4	268	75.7%	22.8%	D+53.0
Precinct -13031303	163	33	3	199	81.9%	16.6%	D+65.3
BURRITT 1 Voting District17_17201BU01	0	0	0	0	—	—	Even
CHERRY VALLEY 1 Voting District17_17201CV01	0	0	0	0	—	—	Even
CHERRY VALLEY 10 Voting District17_17201CV10	0	0	0	0	—	—	Even
CHERRY VALLEY 11 Voting District17_17201CV11	0	0	0	0	—	—	Even
CHERRY VALLEY 12 Voting District17_17201CV12	0	0	0	0	—	—	Even
CHERRY VALLEY 2 Voting District17_17201CV02	0	0	0	0	—	—	Even
CHERRY VALLEY 3 Voting District17_17201CV03	0	0	0	0	—	—	Even
CHERRY VALLEY 4 Voting District17_17201CV04	0	0	0	0	—	—	Even
CHERRY VALLEY 5 Voting District17_17201CV05	0	0	0	0	—	—	Even
CHERRY VALLEY 6 Voting District17_17201CV06	0	0	0	0	—	—	Even
CHERRY VALLEY 7 Voting District17_17201CV07	0	0	0	0	—	—	Even
CHERRY VALLEY 8 Voting District17_17201CV08	0	0	0	0	—	—	Even
CHERRY VALLEY 9 Voting District17_17201CV09	0	0	0	0	—	—	Even
DURAND 1 Voting District17_17201DU01	0	0	0	0	—	—	Even
DURAND 2 Voting District17_17201DU02	0	0	0	0	—	—	Even
HARLEM 1 Voting District17_17201HR01	0	0	0	0	—	—	Even
HARLEM 10 Voting District17_17201HR10	0	0	0	0	—	—	Even
HARLEM 11 Voting District17_17201HR11	0	0	0	0	—	—	Even
HARLEM 12 Voting District17_17201HR12	0	0	0	0	—	—	Even
HARLEM 13 Voting District17_17201HR13	0	0	0	0	—	—	Even
HARLEM 14 Voting District17_17201HR14	0	0	0	0	—	—	Even
HARLEM 16 Voting District17_17201HR16	0	0	0	0	—	—	Even
HARLEM 19 Voting District17_17201HR19	0	0	0	0	—	—	Even
HARLEM 2 Voting District17_17201HR02	0	0	0	0	—	—	Even
HARLEM 20 Voting District17_17201HR20	0	0	0	0	—	—	Even
HARLEM 21 Voting District17_17201HR21	0	0	0	0	—	—	Even
HARLEM 22 Voting District17_17201HR22	0	0	0	0	—	—	Even
HARLEM 23 Voting District17_17201HR23	0	0	0	0	—	—	Even
HARLEM 24 Voting District17_17201HR24	0	0	0	0	—	—	Even
HARLEM 25 Voting District17_17201HR25	0	0	0	0	—	—	Even
HARLEM 26 Voting District17_17201HR26	0	0	0	0	—	—	Even
HARLEM 27 Voting District17_17201HR27	0	0	0	0	—	—	Even
HARLEM 28 Voting District17_17201HR28	0	0	0	0	—	—	Even
HARLEM 29 Voting District17_17201HR29	0	0	0	0	—	—	Even
HARLEM 3 Voting District17_17201HR03	0	0	0	0	—	—	Even
HARLEM 30 Voting District17_17201HR30	0	0	0	0	—	—	Even
HARLEM 4 Voting District17_17201HR04	0	0	0	0	—	—	Even
HARLEM 5 Voting District17_17201HR05	0	0	0	0	—	—	Even
HARLEM 6 Voting District17_17201HR06	0	0	0	0	—	—	Even
HARLEM 7 Voting District17_17201HR07	0	0	0	0	—	—	Even
HARLEM 8 Voting District17_17201HR08	0	0	0	0	—	—	Even
HARLEM 9 Voting District17_17201HR09	0	0	0	0	—	—	Even
HARRISON 1 Voting District17_17201HA01	0	0	0	0	—	—	Even
LAONA 1 Voting District17_17201LA01	0	0	0	0	—	—	Even
OWEN 2 Voting District17_17201OW02	0	0	0	0	—	—	Even
OWEN 3 Voting District17_17201OW03	0	0	0	0	—	—	Even
OWEN 4 Voting District17_17201OW04	0	0	0	0	—	—	Even
PECATONICA 2 Voting District17_17201PE02	0	0	0	0	—	—	Even
PECATONICA 3 Voting District17_17201PE03	0	0	0	0	—	—	Even
PECATONICA 4 Voting District17_17201PE04	0	0	0	0	—	—	Even
ROCKFORD 1 Voting District17_17201RT01	0	0	0	0	—	—	Even
ROCKFORD 12 Voting District17_17201RT12	0	0	0	0	—	—	Even
ROCKFORD 13 Voting District17_17201RT13	0	0	0	0	—	—	Even
ROCKFORD 14 Voting District17_17201RT14	0	0	0	0	—	—	Even
ROCKFORD 15 Voting District17_17201RT15	0	0	0	0	—	—	Even
ROCKFORD 2 Voting District17_17201RT02	0	0	0	0	—	—	Even
ROCKFORD 20 Voting District17_17201RT20	0	0	0	0	—	—	Even
ROCKFORD 22 Voting District17_17201RT22	0	0	0	0	—	—	Even
ROCKFORD 25 Voting District17_17201RT25	0	0	0	0	—	—	Even
ROCKFORD 26 Voting District17_17201RT26	0	0	0	0	—	—	Even
ROCKFORD 27 Voting District17_17201RT27	0	0	0	0	—	—	Even
ROCKFORD 28 Voting District17_17201RT28	0	0	0	0	—	—	Even
ROCKFORD 3 Voting District17_17201RT03	0	0	0	0	—	—	Even
ROCKFORD 30 Voting District17_17201RT30	0	0	0	0	—	—	Even
ROCKFORD 31 Voting District17_17201RT31	0	0	0	0	—	—	Even
ROCKFORD 32 Voting District17_17201RT32	0	0	0	0	—	—	Even
ROCKFORD 33 Voting District17_17201RT33	0	0	0	0	—	—	Even
ROCKFORD 34 Voting District17_17201RT34	0	0	0	0	—	—	Even
ROCKFORD 35 Voting District17_17201RT35	0	0	0	0	—	—	Even
ROCKFORD 36 Voting District17_17201RT36	0	0	0	0	—	—	Even
ROCKFORD 37 Voting District17_17201RT37	0	0	0	0	—	—	Even
ROCKFORD 4 Voting District17_17201RT04	0	0	0	0	—	—	Even
ROCKFORD 5 Voting District17_17201RT05	0	0	0	0	—	—	Even
ROCKFORD 51 Voting District17_17201RT51	0	0	0	0	—	—	Even
ROCKFORD 52 Voting District17_17201RT52	0	0	0	0	—	—	Even
ROCKFORD 54 Voting District17_17201RT54	0	0	0	0	—	—	Even
ROCKFORD 55 Voting District17_17201RT55	0	0	0	0	—	—	Even
ROCKFORD 56 Voting District17_17201RT56	0	0	0	0	—	—	Even
ROCKFORD 57 Voting District17_17201RT57	0	0	0	0	—	—	Even
ROCKFORD 7 Voting District17_17201RT07	0	0	0	0	—	—	Even
ROCKFORD 8 Voting District17_17201RT08	0	0	0	0	—	—	Even
ROCKFORD 9 Voting District17_17201RT09	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 117_17201R0101	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 217_17201R0102	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 317_17201R0103	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 417_17201R0104	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 517_17201R0105	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 617_17201R0106	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 717_17201R0107	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 817_17201R0108	0	0	0	0	—	—	Even
ROCKFORD WD 01 PCT 917_17201R0109	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 117_17201R0201	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 217_17201R0202	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 317_17201R0203	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 417_17201R0204	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 517_17201R0205	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 617_17201R0206	0	0	0	0	—	—	Even
ROCKFORD WD 02 PCT 717_17201R0207	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 117_17201R0301	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 217_17201R0302	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 317_17201R0303	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 417_17201R0304	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 517_17201R0305	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 617_17201R0306	0	0	0	0	—	—	Even
ROCKFORD WD 03 PCT 717_17201R0307	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 117_17201R0401	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 217_17201R0402	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 317_17201R0403	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 417_17201R0404	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 517_17201R0405	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 617_17201R0406	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 717_17201R0407	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 817_17201R0408	0	0	0	0	—	—	Even
ROCKFORD WD 04 PCT 917_17201R0409	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 117_17201R0501	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 217_17201R0502	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 317_17201R0503	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 417_17201R0504	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 517_17201R0505	0	0	0	0	—	—	Even
ROCKFORD WD 05 PCT 617_17201R0506	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 117_17201R0601	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 217_17201R0602	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 317_17201R0603	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 417_17201R0604	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 517_17201R0605	0	0	0	0	—	—	Even
ROCKFORD WD 06 PCT 617_17201R0606	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 117_17201R0701	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 217_17201R0702	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 317_17201R0703	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 417_17201R0704	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 517_17201R0705	0	0	0	0	—	—	Even
ROCKFORD WD 07 PCT 617_17201R0706	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 117_17201R0801	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 217_17201R0802	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 317_17201R0803	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 417_17201R0804	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 517_17201R0805	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 617_17201R0806	0	0	0	0	—	—	Even
ROCKFORD WD 08 PCT 717_17201R0807	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 117_17201R0901	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 217_17201R0902	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 317_17201R0903	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 417_17201R0904	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 517_17201R0905	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 617_17201R0906	0	0	0	0	—	—	Even
ROCKFORD WD 09 PCT 717_17201R0907	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 117_17201R1001	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 1017_17201R1010	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 1217_17201R1012	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 217_17201R1002	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 317_17201R1003	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 517_17201R1005	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 617_17201R1006	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 717_17201R1007	0	0	0	0	—	—	Even
ROCKFORD WD 10 PCT 917_17201R1009	0	0	0	0	—	—	Even
ROCKFORD WD 11 PCT 117_17201R1101	0	0	0	0	—	—	Even
ROCKFORD WD 11 PCT 217_17201R1102	0	0	0	0	—	—	Even
ROCKFORD WD 11 PCT 317_17201R1103	0	0	0	0	—	—	Even
ROCKFORD WD 11 PCT 417_17201R1104	0	0	0	0	—	—	Even
ROCKFORD WD 11 PCT 517_17201R1105	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 117_17201R1201	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 217_17201R1202	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 317_17201R1203	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 417_17201R1204	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 517_17201R1205	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 617_17201R1206	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 717_17201R1207	0	0	0	0	—	—	Even
ROCKFORD WD 12 PCT 817_17201R1208	0	0	0	0	—	—	Even
ROCKFORD WD 13 PCT 117_17201R1301	0	0	0	0	—	—	Even
ROCKFORD WD 13 PCT 217_17201R1302	0	0	0	0	—	—	Even
ROCKFORD WD 13 PCT 317_17201R1303	0	0	0	0	—	—	Even
ROCKFORD WD 13 PCT 417_17201R1304	0	0	0	0	—	—	Even
ROCKFORD WD 13 PCT 517_17201R1305	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 117_17201R1401	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 217_17201R1402	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 317_17201R1403	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 417_17201R1404	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 517_17201R1405	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 617_17201R1406	0	0	0	0	—	—	Even
ROCKFORD WD 14 PCT 717_17201R1407	0	0	0	0	—	—	Even
ROCKTON 1 Voting District17_17201RK01	0	0	0	0	—	—	Even
ROCKTON 10 Voting District17_17201RK10	0	0	0	0	—	—	Even
ROCKTON 11 Voting District17_17201RK11	0	0	0	0	—	—	Even
ROCKTON 2 Voting District17_17201RK02	0	0	0	0	—	—	Even
ROCKTON 3 Voting District17_17201RK03	0	0	0	0	—	—	Even
ROCKTON 4 Voting District17_17201RK04	0	0	0	0	—	—	Even
ROCKTON 5 Voting District17_17201RK05	0	0	0	0	—	—	Even
ROCKTON 6 Voting District17_17201RK06	0	0	0	0	—	—	Even
ROCKTON 7 Voting District17_17201RK07	0	0	0	0	—	—	Even
ROCKTON 8 Voting District17_17201RK08	0	0	0	0	—	—	Even
ROCKTON 9 Voting District17_17201RK09	0	0	0	0	—	—	Even
ROSCOE 1 Voting District17_17201RO01	0	0	0	0	—	—	Even
ROSCOE 10 Voting District17_17201RO10	0	0	0	0	—	—	Even
ROSCOE 2 Voting District17_17201RO02	0	0	0	0	—	—	Even
ROSCOE 3 Voting District17_17201RO03	0	0	0	0	—	—	Even
ROSCOE 4 Voting District17_17201RO04	0	0	0	0	—	—	Even
ROSCOE 5 Voting District17_17201RO05	0	0	0	0	—	—	Even
ROSCOE 6 Voting District17_17201RO06	0	0	0	0	—	—	Even
ROSCOE 7 Voting District17_17201RO07	0	0	0	0	—	—	Even
ROSCOE 8 Voting District17_17201RO08	0	0	0	0	—	—	Even
ROSCOE 9 Voting District17_17201RO09	0	0	0	0	—	—	Even
SEWARD 1 Voting District17_17201SE01	0	0	0	0	—	—	Even
SHIRLAND 1 Voting District17_17201SH01	0	0	0	0	—	—	Even
WINNEBAGO 1 Voting District17_17201WI01	0	0	0	0	—	—	Even
WINNEBAGO 2 Voting District17_17201WI02	0	0	0	0	—	—	Even
WINNEBAGO 3 Voting District17_17201WI03	0	0	0	0	—	—	Even
WINNEBAGO 4 Voting District17_17201WI04	0	0	0	0	—	—	Even

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−34.4%
1896	−52.8%
1900	−50.3%
1904	−64.0%
1908	−54.2%
1912	−2.0%
1916	−38.0%
1920	−65.9%
1924	−64.1%
1928	−61.8%
1932	−19.1%
1936	+4.1%
1940	−4.4%
1944	−5.1%
1948	−4.2%
1952	−16.1%
1956	−24.9%
1960	−10.5%
1964	+10.0%
1968	−12.1%
1972	−23.2%
1976	−10.6%
1980	−15.6%
1984	−17.9%
1988	−10.3%
1992	+5.4%
1996	+1.8%
2000	−1.7%
2004	−0.9%
2008	+12.8%
2012	+5.5%
2016	+0.1%
2020	+2.5%
2024	+0.6%

DemocraticRepublican

38 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year	Won	Democratic	Republican	Other	Margin	Swing	vs U.S.	Total
2024	D	49.4%Harris59,942	48.8%Trump59,257	1.5%Kennedy1,849	D+0.6	R+1.9	D+2.0	121,347
2020	D	50.0%Biden64,056	47.5%Trump60,861	1.3%Jorgensen1,719	D+2.5	D+2.4	R+2.0	128,160
2016	D	46.4%Clinton55,713	46.3%Trump55,624	4.2%Johnson5,064	D+0.1	R+5.4	R+2.0	120,055
2012	D	51.7%Obama61,732	46.2%Romney55,138	1.2%JOHNSON1,465	D+5.5	R+7.3	D+1.7	119,397
2008	D	55.6%Obama70,034	42.8%McCain53,886	1.7%	D+12.8	D+13.7	D+5.5	126,031
2004	R	49.2%Kerry59,740	50.1%Bush60,782	0.7%	R+0.9	D+0.8	D+1.6	121,425
2000	R	47.6%Gore51,981	49.2%Bush53,816	2.4%Nader2,637	R+1.7	R+3.5	R+2.2	109,297
1996	D	46.3%Clinton46,264	44.5%Dole44,479	8.2%Perot8,192	D+1.8	R+3.6	R+6.7	99,910
1992	D	43.0%Clinton48,298	37.6%Bush42,221	18.9%Perot21,227	D+5.4	D+15.7	R+0.1	112,215
1988	R	44.6%Dukakis45,280	54.8%Bush55,699	0.6%	R+10.3	D+7.6	R+2.5	101,550
1984	R	40.8%Mondale44,629	58.7%Reagan64,203	0.6%	R+17.9	R+2.2	D+0.3	109,451
1980	R	30.8%Carter32,384	46.5%Reagan48,825	22.7%	R+15.6	R+5.0	R+5.9	105,089
1976	R	43.5%Carter42,399	54.2%Ford52,736	2.3%	R+10.6	D+12.6	R+12.7	97,387
1972	R	38.3%McGovern35,937	61.5%Nixon57,682	0.2%	R+23.2	R+11.1	±0.0	93,850
1968	R	40.4%Humphrey36,702	52.5%Nixon47,646	7.0%	R+12.1	R+22.1	R+11.4	90,739
1964	D	55.0%Johnson48,834	45.0%Goldwater39,920	0.0%	D+10.0	D+20.6	R+12.5	88,754
1960	R	44.7%Kennedy40,090	55.2%Nixon49,541	0.1%	R+10.5	D+14.3	R+10.7	89,741
1956	R	37.5%Stevenson29,063	62.4%Eisenhower48,332	0.1%	R+24.9	R+8.8	R+9.5	77,484
1952	R	41.9%Stevenson31,409	58.0%Eisenhower43,468	0.2%	R+16.1	R+11.9	R+5.3	75,004
1948	R	47.4%Truman27,145	51.5%Dewey29,537	1.1%	R+4.2	D+0.9	R+8.7	57,313
1944	R	47.2%Roosevelt27,831	52.3%Dewey30,837	0.5%	R+5.1	R+0.7	R+12.6	58,945
1940	R	47.5%Roosevelt28,061	51.9%Willkie30,683	0.6%	R+4.4	R+8.5	R+14.4	59,127
1936	D	50.4%Roosevelt27,200	46.3%Landon24,997	3.3%	D+4.1	D+23.2	R+20.2	53,989
1932	R	38.0%Roosevelt17,707	57.1%Hoover26,632	4.9%	R+19.1	D+42.7	R+36.9	46,625
1928	R	18.6%Smith7,684	80.4%Hoover33,258	1.0%	R+61.8	D+2.3	R+44.3	41,372
1924	R	7.2%Davis2,228	71.3%Coolidge21,978	20.9%La Follette6,434	R+64.1	D+1.8	R+38.9	30,814
1920	R	13.3%Cox3,355	79.2%Harding19,913	7.4%	R+65.9	R+27.9	R+39.7	25,134
1916	R	27.1%Wilson6,198	65.1%Hughes14,893	7.8%	R+38.0	R+36.0	R+41.1	22,882
1912	O	17.4%Wilson2,276	19.4%Taft2,537	63.3%	Roosevelt +43.9	D+52.2	R+21.5	13,105
1908	R	17.3%Bryan2,163	71.5%Taft8,919	11.1%	R+54.2	D+9.8	R+44.6	12,467
1904	R	10.8%Parker1,177	74.8%Roosevelt8,143	14.4%	R+64.0	R+13.7	R+44.3	10,887
1900	R	22.4%Bryan2,498	72.7%McKinley8,103	4.9%	R+50.3	D+2.5	R+42.7	11,147
1896	R	22.3%Bryan2,447	75.1%McKinley8,242	2.6%	R+52.8	R+18.4	R+46.7	10,975
1892	R	28.1%Cleveland2,634	62.5%Harrison5,854	9.4%	R+34.4	—	R+36.0	9,366
1888	—	—	—	—	No data	—	—	—
1884	—	—	—	—	No data	—	—	—
1880	—	—	—	—	No data	—	—	—
1876	—	—	—	—	No data	—	—	—

Congressional elections · 2 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	Democratic	Republican	Total
2022	D	49.3%43,384	48.8%42,972	88,002
2020	D	48.4%61,182	47.8%60,473	126,388

voter registration

Registered voters

Total registered voters, over time

Registered voters

Voter registration in Winnebago County, IL
Year	Total registered
2016	93,743
2018	98,585
2020	99,215
2022	114,384
2024	102,461

domestic migration

Who moves in and out

Net migration over time, and who arrivals are — where they came from and what those places vote

+184 net domestic migration · 2025

20112025

Net −27,304 over 2011–2025 · gain loss

Arrivals reported $51,595 in average income, against $71,164 for residents who stayed — 27% lower. (IRS SOI, 2022–23)

The places arrivals came from lean D+6.8 on average — 6.2 points more Democratic-leaning than Winnebago County, IL itself (D+0.6).

Where arrivals came from lean of each source

Cook County, IL663D+41.6
Boone County, IL629R+14.5
Rock County, WI400D+7.3
Ogle County, IL228R+29.3
Kane County, IL214D+9.3
McHenry County, IL182R+5.3

Where departures went households, 2022–23

Cook County, IL511
Boone County, IL446
Rock County, WI424
Ogle County, IL215
Stephenson County, IL161
Dane County, WI135

Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.

Domestic migration in Winnebago County, IL in Winnebago County, IL: net domestic migration by year
Year	Net domestic migration
2011	−2,803
2012	−2,918
2013	−2,303
2014	−3,354
2015	−2,583
2016	−2,281
2017	−2,569
2018	−1,861
2019	−1,907
2021	−1,565
2022	−2,071
2023	−1,200
2024	−73
2025	+184

Home to Rockford, Illinois's third-largest city, Winnebago County shifted from reliably Republican to a genuine battleground as its mid-sized industrial economy restructured and its suburban precincts trended more competitive through the 2010s and 2020s.

Across the recorded series it reached a Democratic high of 12.8 points in 2008 and a Republican high of 65.9 points in 1920. Between 2020 and 2024 the county moved 1.9 points toward the Republican candidate; the 2024 margin was 0.6 points.

A population of 283,292, a 64% non-Hispanic-white share, and a median household income of $65,837 describe the county. The county's voting pattern over the last decade is most similar to that of DeKalb County and Cook County.

Political twins — counties

The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

DeKalb County

Illinois

87.4twin score

2008–2024 trajectory≠ median age

Cook County

Illinois

83.8twin score

% Catholic12-yr trendelasticity≠ 2000 margin

Milwaukee County

Wisconsin

82.5twin score

population scale2008 margin12-yr trend≠ 2024 margin

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Browse places by community — income, education, race & ethnicity, language — all community cuts →

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

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Cities & towns in Winnebago County

Illinois at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2022 Governorstate + county2022 US Houseall districts2024

Frequently asked questions

How did Winnebago County, Illinois vote in 2024?

In 2024, Winnebago County, Illinois voted Democratic by 0.6 points (D+0.6), carried by the Democratic candidate. Out of 121,347 votes cast, 59,942 went Democratic and 59,257 went Republican.

When did Winnebago County, Illinois last vote Republican?

The most recent presidential election in which Winnebago County, Illinois voted Republican was 2004.

How many people live in Winnebago County, Illinois?

Winnebago County, Illinois has a population of 283,292 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Winnebago County, Illinois?

Median household income in Winnebago County, Illinois is $65,837 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Winnebago County, Illinois?

Akashic tracks 38 presidential elections in Winnebago County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.

Year	Democrat	Republican	Others	Total
2024	59,942	59,257	2,148	121,347
2020	64,056	60,861	3,243	128,160
2016	55,713	55,624	8,718	120,055
2012	61,732	55,138	2,527	119,397
2008	70,034	53,886	2,111	126,031
2004	59,740	60,782	903	121,425

Year

Democrat

Republican

Others

Total

2024

59,942

59,257

2,148

121,347

2020

64,056

60,861

3,243

128,160

2016

55,713

55,624

8,718

120,055

2012

61,732

55,138

2,527

119,397

2008

70,034

53,886

2,111

126,031

2004

59,740

60,782

903

121,425

Measure	Winnebago County	Illinois	United States
Median age	39.6	39.1	39.1
Age 18–24	8.3%	9.1%	9.2%
Age 65 and older	18.5%	16.9%	17.2%

Measure

Winnebago County

Illinois

United States

Median age

39.6

39.1

Age 18–24

8.3%

9.1%

9.2%

Age 65 and older

18.5%

16.9%

17.2%

Measure	Winnebago County	Illinois	United States
Median household income	$65,837	$83,390	$84,427
Poverty rate	15.6%	11.8%	12.5%
Bachelor's degree or higher (25+)	25.2%	37.9%	35.6%

Measure

Winnebago County

Illinois

United States

Median household income

$65,837

$83,390

$84,427

Poverty rate

15.6%

11.8%

12.5%

Bachelor's degree or higher (25+)

25.2%

37.9%

35.6%

Measure	Winnebago County	Illinois	United States
Speaks a non-English language at home	15.2%	24.1%	22.3%
Spanish	10.3%	14.0%	13.6%

Measure

Winnebago County

Illinois

United States

Speaks a non-English language at home

15.2%

24.1%

22.3%

Spanish

10.3%

14.0%

13.6%

Measure	Winnebago County	Illinois	United States
Catholic	23.8%	24.2%	18.6%
Evangelical Protestant	21.0%	11.7%	16.5%
Unclaimed / not counted	43.0%	49.2%	51.5%
Mainline Protestant	6.4%	5.3%	5.2%

Measure

Winnebago County

Illinois

United States

Catholic

23.8%

24.2%

18.6%

Evangelical Protestant

21.0%

11.7%

16.5%

Unclaimed / not counted

43.0%

49.2%

51.5%

Mainline Protestant

6.4%

5.3%

5.2%

Winnebago County precinct-level presidential election results for 2024

Precinct -14011401

623

364

1,024

60.8%

35.5%

D+25.3

Precinct -Roscoe 9Roscoe 9

400

517

941

42.5%

54.9%

R+12.4

Precinct -01060106

465

411

915

50.8%

44.9%

D+5.9

Precinct -Pecatonica 4Pecatonica 4

297

592

914

32.5%

64.8%

R+32.3

Precinct -Rockford 14Rockford 14

470

423

913

51.5%

46.3%

D+5.1

Precinct -Roscoe 1Roscoe 1

334

556

911

36.7%

61.0%

R+24.4

Precinct -Owen 1Owen 1

345

539

907

38.0%

59.4%

R+21.4

Precinct -Harlem 21Harlem 21

352

536

903

39.0%

59.4%

R+20.4

Precinct -Roscoe 6Roscoe 6

325

550

899

36.2%

61.2%

R+25.0

Precinct -04050405

471

399

897

52.5%

44.5%

D+8.0

Precinct -02040204

477

379

891

53.5%

42.5%

D+11.0

Precinct -Harlem 4Harlem 4

328

545

886

37.0%

61.5%

R+24.5

Precinct -Harlem 1Harlem 1

406

444

881

46.1%

50.4%

R+4.3

Precinct -Rockford 30Rockford 30

367

483

879

41.8%

54.9%

R+13.2

Precinct -09060906

551

301

874

63.0%

34.4%

D+28.6

Precinct -Cherry Valley 3Cherry Valley 3

413

429

873

47.3%

49.1%

R+1.8

Precinct -Harlem 23Harlem 23

374

475

872

42.9%

54.5%

R+11.6

Precinct -Harlem 27Harlem 27

381

459

870

43.8%

52.8%

R+9.0

Precinct -Rockton 2Rockton 2

332

510

869

38.2%

58.7%

R+20.5

Precinct -Rockton 11Rockton 11

409

433

868

47.1%

49.9%

R+2.8

Precinct -Roscoe 11Roscoe 11

389

452

865

45.0%

52.3%

R+7.3

Precinct -Roscoe 2Roscoe 2

315

525

857

36.8%

61.3%

R+24.5

Precinct -Roscoe 15Roscoe 15

390

441

854

45.7%

51.6%

R+6.0

Precinct -04020402

462

347

852

54.2%

40.7%

D+13.5

Precinct -Harlem 17Harlem 17

344

482

850

40.5%

56.7%

R+16.2

Precinct -14021402

427

394

849

50.3%

46.4%

D+3.9

Precinct -Harlem 14Harlem 14

296

528

849

34.9%

62.2%

R+27.3

Precinct -Roscoe 8Roscoe 8

332

495

848

39.2%

58.4%

R+19.2

Precinct -Harlem 11Harlem 11

353

475

844

41.8%

56.3%

R+14.5

Precinct -Harlem 24Harlem 24

339

479

844

40.2%

56.8%

R+16.6

Precinct -Harlem 22Harlem 22

356

471

839

42.4%

56.1%

R+13.7

Precinct -Rockford 9Rockford 9

317

499

839

37.8%

59.5%

R+21.7

Precinct -12061206

444

367

837

53.0%

43.8%

D+9.2

Precinct -Rockton 1Rockton 1

352

456

837

42.1%

54.5%

R+12.4

Precinct -Harlem 10Harlem 10

332

480

835

39.8%

57.5%

R+17.7

Precinct -Rockford 8Rockford 8

280

533

832

33.7%

64.1%

R+30.4

Precinct -Rockton 5Rockton 5

376

433

831

45.2%

52.1%

R+6.9

Precinct -Rockford 5Rockford 5

375

423

829

45.2%

51.0%

R+5.8

Precinct -Laona 1Laona 1

285

521

828

34.4%

62.9%

R+28.5

Precinct -01050105

450

347

827

54.4%

42.0%

D+12.5

Precinct -Harlem 19Harlem 19

351

453

826

42.5%

54.8%

R+12.3

Precinct -Rockford 13Rockford 13

403

389

818

49.3%

47.6%

D+1.7

Precinct -Harlem 16Harlem 16

362

436

815

44.4%

53.5%

R+9.1

Precinct -Winnebago 1Winnebago 1

290

494

809

35.8%

61.1%

R+25.2

Precinct -06030603

458

326

808

56.7%

40.3%

D+16.3

Precinct -14031403

433

342

808

53.6%

42.3%

D+11.3

Precinct -10071007

483

293

806

59.9%

36.4%

D+23.6

Precinct -Rockton 6Rockton 6

309

479

805

38.4%

59.5%

R+21.1

Precinct -Harlem 25Harlem 25

357

415

795

44.9%

52.2%

R+7.3

Precinct -Roscoe 12Roscoe 12

365

415

795

45.9%

52.2%

R+6.3

Precinct -Rockford 26Rockford 26

351

423

790

44.4%

53.5%

R+9.1

Precinct -01040104

356

399

789

45.1%

50.6%

R+5.4

Precinct -Rockford 31Rockford 31

335

433

787

42.6%

55.0%

R+12.5

Precinct -Rockford 55Rockford 55

348

414

787

44.2%

52.6%

R+8.4

Precinct -Rockford 33Rockford 33

407

355

785

51.8%

45.2%

D+6.6

Precinct -01080108

393

362

782

50.3%

46.3%

D+4.0

Precinct -04040404

398

351

780

51.0%

45.0%

D+6.0

Precinct -Rockford 54Rockford 54

361

387

779

46.3%

49.7%

R+3.3

Precinct -Winnebago 2Winnebago 2

284

476

776

36.6%

61.3%

R+24.7

Precinct -Cherry Valley 5Cherry Valley 5

337

412

775

43.5%

53.2%

R+9.7

Precinct -Rockton 3Rockton 3

324

433

774

41.9%

55.9%

R+14.1

Precinct -03010301

440

312

771

57.1%

40.5%

D+16.6

Precinct -Harlem 5Harlem 5

294

453

769

38.2%

58.9%

R+20.7

Precinct -Rockton 8Rockton 8

329

409

765

43.0%

53.5%

R+10.5

Precinct -Rockford 25Rockford 25

394

350

759

51.9%

46.1%

D+5.8

Precinct -01070107

378

353

757

49.9%

46.6%

D+3.3

Precinct -Pecatonica 2Pecatonica 2

243

492

757

32.1%

65.0%

R+32.9

Precinct -Rockford 32Rockford 32

336

395

756

44.4%

52.2%

R+7.8

Precinct -Cherry Valley 6Cherry Valley 6

302

430

753

40.1%

57.1%

R+17.0

Precinct -Harlem 12Harlem 12

305

436

753

40.5%

57.9%

R+17.4

Precinct -Cherry Valley 1Cherry Valley 1

309

422

751

41.1%

56.2%

R+15.0

Precinct -01010101

387

334

750

51.6%

44.5%

D+7.1

Precinct -Roscoe 7Roscoe 7

315

408

747

42.2%

54.6%

R+12.4

Precinct -12071207

420

295

743

56.5%

39.7%

D+16.8

Precinct -02030203

447

266

742

60.2%

35.8%

D+24.4

Precinct -Roscoe 10Roscoe 10

322

401

742

43.4%

54.0%

R+10.6

Precinct -12011201

488

234

741

65.9%

31.6%

D+34.3

Precinct -Harlem 2Harlem 2

278

429

734

37.9%

58.4%

R+20.6

Precinct -Harlem 7Harlem 7

280

429

734

38.1%

58.4%

R+20.3

Precinct -01020102

369

346

731

50.5%

47.3%

D+3.1

Precinct -Harlem 15Harlem 15

295

419

727

40.6%

57.6%

R+17.1

Precinct -Rockton 10Rockton 10

300

404

723

41.5%

55.9%

R+14.4

Precinct -Cherry Valley 11Cherry Valley 11

310

381

720

43.1%

52.9%

R+9.9

Precinct -14051405

413

273

719

57.4%

38.0%

D+19.5

Precinct -Harlem 18Harlem 18

300

404

718

41.8%

56.3%

R+14.5

Precinct -Rockton 13Rockton 13

309

390

716

43.2%

54.5%

R+11.3

Precinct -04060406

361

328

715

50.5%

45.9%

D+4.6

Precinct -03020302

390

304

713

54.7%

42.6%

D+12.1

Precinct -Harlem 8Harlem 8

279

423

713

39.1%

59.3%

R+20.2

Precinct -Winnebago 3Winnebago 3

230

458

709

32.4%

64.6%

R+32.2

Precinct -04010401

291

388

705

41.3%

55.0%

R+13.8

Precinct -04030403

424

255

701

60.5%

36.4%

D+24.1

Precinct -06010601

319

361

696

45.8%

51.9%

R+6.0

Precinct -04070407

377

297

695

54.2%

42.7%

D+11.5

Precinct -Winnebago 4Winnebago 4

256

423

692

37.0%

61.1%

R+24.1

Precinct -Roscoe 5Roscoe 5

279

399

691

40.4%

57.7%

R+17.4

Precinct -Harlem 6Harlem 6

286

388

690

41.4%

56.2%

R+14.8

Precinct -01030103

336

333

687

48.9%

48.5%

D+0.4

Precinct -02060206

417

240

686

60.8%

35.0%

D+25.8

Precinct -Rockford 51Rockford 51

296

378

684

43.3%

55.3%

R+12.0

Precinct -02050205

423

234

683

61.9%

34.3%

D+27.7

Precinct -10051005

393

262

675

58.2%

38.8%

D+19.4

Precinct -Harlem 26Harlem 26

324

325

674

48.1%

48.2%

R+0.1

Precinct -Pecatonica 3Pecatonica 3

219

438

673

32.5%

65.1%

R+32.5

Precinct -Roscoe 4Roscoe 4

325

672

48.4%

Even

Precinct -03060306

431

204

665

64.8%

30.7%

D+34.1

Precinct -09040904

444

195

662

67.1%

29.5%

D+37.6

Precinct -03040304

375

255

661

56.7%

38.6%

D+18.2

Precinct -Rockford 2Rockford 2

239

397

658

36.3%

60.3%

R+24.0

Precinct -Roscoe 3Roscoe 3

281

345

650

43.2%

53.1%

R+9.8

Precinct -Durand 1Durand 1

187

444

647

28.9%

68.6%

R+39.7

Precinct -Owen 2Owen 2

265

370

647

41.0%

57.2%

R+16.2

Precinct -Rockford 27Rockford 27

265

369

643

41.2%

57.4%

R+16.2

Precinct -Rockford 52Rockford 52

276

340

640

43.1%

53.1%

R+10.0

Precinct -10011001

368

249

639

57.6%

39.0%

D+18.6

Precinct -Burritt 1Burritt 1

191

430

639

29.9%

67.3%

R+37.4

Precinct -03070307

433

176

636

68.1%

27.7%

D+40.4

Precinct -Rockford 4Rockford 4

342

280

636

53.8%

44.0%

D+9.7

Precinct -Rockford 15Rockford 15

359

254

634

56.6%

40.1%

D+16.6

Precinct -04080408

330

286

633

52.1%

45.2%

D+7.0

Precinct -Durand 2Durand 2

180

423

633

28.4%

66.8%

R+38.4

Precinct -09020902

379

231

630

60.2%

36.7%

D+23.5

Precinct -14061406

341

263

624

54.6%

42.1%

D+12.5

Precinct -08040804

350

252

622

56.3%

40.5%

D+15.8

Precinct -Harlem 13Harlem 13

288

319

622

46.3%

51.3%

R+5.0

Precinct -08050805

365

239

619

59.0%

38.6%

D+20.4

Precinct -12021202

399

188

617

64.7%

30.5%

D+34.2

Precinct -08060806

354

247

616

57.5%

40.1%

D+17.4

Precinct -10031003

356

243

614

58.0%

39.6%

D+18.4

Precinct -Roscoe 14Roscoe 14

235

350

604

38.9%

57.9%

R+19.0

Precinct -Shirland 1Shirland 1

195

390

604

32.3%

64.6%

R+32.3

Precinct -09010901

381

200

602

63.3%

33.2%

D+30.1

Precinct -09050905

397

185

600

66.2%

30.8%

D+35.3

Precinct -14041404

349

224

592

59.0%

37.8%

D+21.1

Precinct -12041204

357

219

588

60.7%

37.2%

D+23.5

Precinct -Cherry Valley 9Cherry Valley 9

223

335

583

38.3%

57.5%

R+19.2

Precinct -10061006

311

256

581

53.5%

44.1%

D+9.5

Precinct -05040504

427

132

568

75.2%

23.2%

D+51.9

Precinct -Rockton 9Rockton 9

251

303

568

44.2%

53.3%

R+9.2

Precinct -Rockford 1Rockford 1

242

307

567

42.7%

54.1%

R+11.5

Precinct -10021002

323

231

566

57.1%

40.8%

D+16.3

Precinct -02010201

338

210

565

59.8%

37.2%

D+22.7

Precinct -08010801

341

190

547

62.3%

34.7%

D+27.6

Precinct -10041004

328

201

545

60.2%

36.9%

D+23.3

Precinct -02020202

334

190

539

62.0%

35.3%

D+26.7

Precinct -12051205

326

191

536

60.8%

35.6%

D+25.2

Precinct -Cherry Valley 4Cherry Valley 4

213

302

533

40.0%

56.7%

R+16.7

Precinct -06040604

238

274

523

45.5%

52.4%

R+6.9

Precinct -08030803

307

197

519

59.2%

38.0%

D+21.2

Precinct -05030503

372

137

516

72.1%

26.6%

D+45.5

Precinct -12031203

315

171

506

62.3%

33.8%

D+28.5

Precinct -Seward 1Seward 1

119

367

503

23.7%

73.0%

R+49.3

Precinct -03050305

379

100

502

75.5%

19.9%

D+55.6

Precinct -06020602

215

271

501

42.9%

54.1%

R+11.2

Precinct -Cherry Valley 2Cherry Valley 2

194

278

495

39.2%

56.2%

R+17.0

Precinct -Rockford 12Rockford 12

254

220

490

51.8%

44.9%

D+6.9

Precinct -08020802

289

179

479

60.3%

37.4%

D+23.0

Precinct -03030303

304

142

456

66.7%

31.1%

D+35.5

Precinct -07030703

314

132

452

69.5%

29.2%

D+40.3

Precinct -11041104

258

181

452

57.1%

40.0%

D+17.0

Precinct -05010501

383

442

86.7%

12.7%

D+74.0

Precinct -07010701

306

113

424

72.2%

26.7%

D+45.5

Precinct -09030903

278

129

416

66.8%

31.0%

D+35.8

Precinct -06050605

194

213

414

46.9%

51.4%

R+4.6

Precinct -07040704

279

130

414

67.4%

31.4%

D+36.0

Precinct -11011101

257

141

412

62.4%

34.2%

D+28.2

Precinct -13011301

360

412

87.4%

10.7%

D+76.7

Precinct -13051305

329

407

80.8%

17.0%

D+63.9

Precinct -Owen 3Owen 3

148

240

406

36.5%

59.1%

R+22.7

Precinct -05020502

296

405

73.1%

24.0%

D+49.1

Precinct -11021102

265

128

405

65.4%

31.6%

D+33.8

Precinct -07060706

306

398

76.9%

22.4%

D+54.5

Precinct -Harrison 1Harrison 1

131

244

386

33.9%

63.2%

R+29.3

Precinct -13021302

302

383

78.9%

19.6%

D+59.3

Precinct -07050705

317

374

84.8%

13.6%

D+71.1

Precinct -07020702

249

105

360

69.2%

29.2%

D+40.0

Precinct -11031103

190

110

309

61.5%

35.6%

D+25.9

Precinct -13041304

232

299

77.6%

20.4%

D+57.2

Precinct -05050505

203

268

75.7%

22.8%

D+53.0

Precinct -13031303

163

199

81.9%

16.6%

D+65.3

BURRITT 1 Voting District17_17201BU01

—

Even

CHERRY VALLEY 1 Voting District17_17201CV01

—

Even

CHERRY VALLEY 10 Voting District17_17201CV10

—

Even

CHERRY VALLEY 11 Voting District17_17201CV11

—

Even

CHERRY VALLEY 12 Voting District17_17201CV12

—

Even

CHERRY VALLEY 2 Voting District17_17201CV02

—

Even

CHERRY VALLEY 3 Voting District17_17201CV03

—

Even

CHERRY VALLEY 4 Voting District17_17201CV04

—

Even

CHERRY VALLEY 5 Voting District17_17201CV05

—

Even

CHERRY VALLEY 6 Voting District17_17201CV06

—

Even

CHERRY VALLEY 7 Voting District17_17201CV07

—

Even

CHERRY VALLEY 8 Voting District17_17201CV08

—

Even

CHERRY VALLEY 9 Voting District17_17201CV09

—

Even

DURAND 1 Voting District17_17201DU01

—

Even

DURAND 2 Voting District17_17201DU02

—

Even

HARLEM 1 Voting District17_17201HR01

—

Even

HARLEM 10 Voting District17_17201HR10

—

Even

HARLEM 11 Voting District17_17201HR11

—

Even

HARLEM 12 Voting District17_17201HR12

—

Even

HARLEM 13 Voting District17_17201HR13

—

Even

HARLEM 14 Voting District17_17201HR14

—

Even

HARLEM 16 Voting District17_17201HR16

—

Even

HARLEM 19 Voting District17_17201HR19

—

Even

HARLEM 2 Voting District17_17201HR02

—

Even

HARLEM 20 Voting District17_17201HR20

—

Even

HARLEM 21 Voting District17_17201HR21

—

Even

HARLEM 22 Voting District17_17201HR22

—

Even

HARLEM 23 Voting District17_17201HR23

—

Even

HARLEM 24 Voting District17_17201HR24

—

Even

HARLEM 25 Voting District17_17201HR25

—

Even

HARLEM 26 Voting District17_17201HR26

—

Even

HARLEM 27 Voting District17_17201HR27

—

Even

HARLEM 28 Voting District17_17201HR28

—

Even

HARLEM 29 Voting District17_17201HR29

—

Even

HARLEM 3 Voting District17_17201HR03

—

Even

HARLEM 30 Voting District17_17201HR30

—

Even

HARLEM 4 Voting District17_17201HR04

—

Even

HARLEM 5 Voting District17_17201HR05

—

Even

HARLEM 6 Voting District17_17201HR06

—

Even

HARLEM 7 Voting District17_17201HR07

—

Even

HARLEM 8 Voting District17_17201HR08

—

Even

HARLEM 9 Voting District17_17201HR09

—

Even

HARRISON 1 Voting District17_17201HA01

—

Even

LAONA 1 Voting District17_17201LA01

—

Even

OWEN 2 Voting District17_17201OW02

—

Even

OWEN 3 Voting District17_17201OW03

—

Even

OWEN 4 Voting District17_17201OW04

—

Even

PECATONICA 2 Voting District17_17201PE02

—

Even

PECATONICA 3 Voting District17_17201PE03

—

Even

PECATONICA 4 Voting District17_17201PE04

—

Even

ROCKFORD 1 Voting District17_17201RT01

—

Even

ROCKFORD 12 Voting District17_17201RT12

—

Even

ROCKFORD 13 Voting District17_17201RT13

—

Even

ROCKFORD 14 Voting District17_17201RT14

—

Even

ROCKFORD 15 Voting District17_17201RT15

—

Even

ROCKFORD 2 Voting District17_17201RT02

—

Even

ROCKFORD 20 Voting District17_17201RT20

—

Even

ROCKFORD 22 Voting District17_17201RT22

—

Even

ROCKFORD 25 Voting District17_17201RT25

—

Even

ROCKFORD 26 Voting District17_17201RT26

—

Even

ROCKFORD 27 Voting District17_17201RT27

—

Even

ROCKFORD 28 Voting District17_17201RT28

—

Even

ROCKFORD 3 Voting District17_17201RT03

—

Even

ROCKFORD 30 Voting District17_17201RT30

—

Even

ROCKFORD 31 Voting District17_17201RT31

—

Even

ROCKFORD 32 Voting District17_17201RT32

—

Even

ROCKFORD 33 Voting District17_17201RT33

—

Even

ROCKFORD 34 Voting District17_17201RT34

—

Even

ROCKFORD 35 Voting District17_17201RT35

—

Even

ROCKFORD 36 Voting District17_17201RT36

—

Even

ROCKFORD 37 Voting District17_17201RT37

—

Even

ROCKFORD 4 Voting District17_17201RT04

—

Even

ROCKFORD 5 Voting District17_17201RT05

—

Even

ROCKFORD 51 Voting District17_17201RT51

—

Even

ROCKFORD 52 Voting District17_17201RT52

—

Even

ROCKFORD 54 Voting District17_17201RT54

—

Even

ROCKFORD 55 Voting District17_17201RT55

—

Even

ROCKFORD 56 Voting District17_17201RT56

—

Even

ROCKFORD 57 Voting District17_17201RT57

—

Even

ROCKFORD 7 Voting District17_17201RT07

—

Even

ROCKFORD 8 Voting District17_17201RT08

—

Even

ROCKFORD 9 Voting District17_17201RT09

—

Even

ROCKFORD WD 01 PCT 117_17201R0101

—

Even

ROCKFORD WD 01 PCT 217_17201R0102

—

Even

ROCKFORD WD 01 PCT 317_17201R0103

—

Even

ROCKFORD WD 01 PCT 417_17201R0104

—

Even

ROCKFORD WD 01 PCT 517_17201R0105

—

Even

ROCKFORD WD 01 PCT 617_17201R0106

—

Even

ROCKFORD WD 01 PCT 717_17201R0107

—

Even

ROCKFORD WD 01 PCT 817_17201R0108

—

Even

ROCKFORD WD 01 PCT 917_17201R0109

—

Even

ROCKFORD WD 02 PCT 117_17201R0201

—

Even

ROCKFORD WD 02 PCT 217_17201R0202

—

Even

ROCKFORD WD 02 PCT 317_17201R0203

—

Even

ROCKFORD WD 02 PCT 417_17201R0204

—

Even

ROCKFORD WD 02 PCT 517_17201R0205

—

Even

ROCKFORD WD 02 PCT 617_17201R0206

—

Even

ROCKFORD WD 02 PCT 717_17201R0207

—

Even

ROCKFORD WD 03 PCT 117_17201R0301

—

Even

ROCKFORD WD 03 PCT 217_17201R0302

—

Even

ROCKFORD WD 03 PCT 317_17201R0303

—

Even

ROCKFORD WD 03 PCT 417_17201R0304

—

Even

ROCKFORD WD 03 PCT 517_17201R0305

—

Even

ROCKFORD WD 03 PCT 617_17201R0306

—

Even

ROCKFORD WD 03 PCT 717_17201R0307

—

Even

ROCKFORD WD 04 PCT 117_17201R0401

—

Even

ROCKFORD WD 04 PCT 217_17201R0402

—

Even

ROCKFORD WD 04 PCT 317_17201R0403

—

Even

ROCKFORD WD 04 PCT 417_17201R0404

—

Even

ROCKFORD WD 04 PCT 517_17201R0405

—

Even

ROCKFORD WD 04 PCT 617_17201R0406

—

Even

ROCKFORD WD 04 PCT 717_17201R0407

—

Even

ROCKFORD WD 04 PCT 817_17201R0408

—

Even

ROCKFORD WD 04 PCT 917_17201R0409

—

Even

ROCKFORD WD 05 PCT 117_17201R0501

—

Even

ROCKFORD WD 05 PCT 217_17201R0502

—

Even

ROCKFORD WD 05 PCT 317_17201R0503

—

Even

ROCKFORD WD 05 PCT 417_17201R0504

—

Even

ROCKFORD WD 05 PCT 517_17201R0505

—

Even

ROCKFORD WD 05 PCT 617_17201R0506

—

Even

ROCKFORD WD 06 PCT 117_17201R0601

—

Even

ROCKFORD WD 06 PCT 217_17201R0602

—

Even

ROCKFORD WD 06 PCT 317_17201R0603

—

Even

ROCKFORD WD 06 PCT 417_17201R0604

—

Even

ROCKFORD WD 06 PCT 517_17201R0605

—

Even

ROCKFORD WD 06 PCT 617_17201R0606

—

Even

ROCKFORD WD 07 PCT 117_17201R0701

—

Even

ROCKFORD WD 07 PCT 217_17201R0702

—

Even

ROCKFORD WD 07 PCT 317_17201R0703

—

Even

ROCKFORD WD 07 PCT 417_17201R0704

—

Even

ROCKFORD WD 07 PCT 517_17201R0705

—

Even

ROCKFORD WD 07 PCT 617_17201R0706

—

Even

ROCKFORD WD 08 PCT 117_17201R0801

—

Even

ROCKFORD WD 08 PCT 217_17201R0802

—

Even

ROCKFORD WD 08 PCT 317_17201R0803

—

Even

ROCKFORD WD 08 PCT 417_17201R0804

—

Even

ROCKFORD WD 08 PCT 517_17201R0805

—

Even

ROCKFORD WD 08 PCT 617_17201R0806

—

Even

ROCKFORD WD 08 PCT 717_17201R0807

—

Even

ROCKFORD WD 09 PCT 117_17201R0901

—

Even

ROCKFORD WD 09 PCT 217_17201R0902

—

Even

ROCKFORD WD 09 PCT 317_17201R0903

—

Even

ROCKFORD WD 09 PCT 417_17201R0904

—

Even

ROCKFORD WD 09 PCT 517_17201R0905

—

Even

ROCKFORD WD 09 PCT 617_17201R0906

—

Even

ROCKFORD WD 09 PCT 717_17201R0907

—

Even

ROCKFORD WD 10 PCT 117_17201R1001

—

Even

ROCKFORD WD 10 PCT 1017_17201R1010

—

Even

ROCKFORD WD 10 PCT 1217_17201R1012

—

Even

ROCKFORD WD 10 PCT 217_17201R1002

—

Even

ROCKFORD WD 10 PCT 317_17201R1003

—

Even

ROCKFORD WD 10 PCT 517_17201R1005

—

Even

ROCKFORD WD 10 PCT 617_17201R1006

—

Even

ROCKFORD WD 10 PCT 717_17201R1007

—

Even

ROCKFORD WD 10 PCT 917_17201R1009

—

Even

ROCKFORD WD 11 PCT 117_17201R1101

—

Even

ROCKFORD WD 11 PCT 217_17201R1102

—

Even

ROCKFORD WD 11 PCT 317_17201R1103

—

Even

ROCKFORD WD 11 PCT 417_17201R1104

—

Even

ROCKFORD WD 11 PCT 517_17201R1105

—

Even

ROCKFORD WD 12 PCT 117_17201R1201

—

Even

ROCKFORD WD 12 PCT 217_17201R1202

—

Even

ROCKFORD WD 12 PCT 317_17201R1203

—

Even

ROCKFORD WD 12 PCT 417_17201R1204

—

Even

ROCKFORD WD 12 PCT 517_17201R1205

—

Even

ROCKFORD WD 12 PCT 617_17201R1206

—

Even

ROCKFORD WD 12 PCT 717_17201R1207

—

Even

ROCKFORD WD 12 PCT 817_17201R1208

—

Even

ROCKFORD WD 13 PCT 117_17201R1301

—

Even

ROCKFORD WD 13 PCT 217_17201R1302

—

Even

ROCKFORD WD 13 PCT 317_17201R1303

—

Even

ROCKFORD WD 13 PCT 417_17201R1304

—

Even

ROCKFORD WD 13 PCT 517_17201R1305

—

Even

ROCKFORD WD 14 PCT 117_17201R1401

—

Even

ROCKFORD WD 14 PCT 217_17201R1402

—

Even

ROCKFORD WD 14 PCT 317_17201R1403

—

Even

ROCKFORD WD 14 PCT 417_17201R1404

—

Even

ROCKFORD WD 14 PCT 517_17201R1405

—

Even

ROCKFORD WD 14 PCT 617_17201R1406

—

Even

ROCKFORD WD 14 PCT 717_17201R1407

—

Even

ROCKTON 1 Voting District17_17201RK01

—

Even

ROCKTON 10 Voting District17_17201RK10

—

Even

ROCKTON 11 Voting District17_17201RK11

—

Even

ROCKTON 2 Voting District17_17201RK02

—

Even

ROCKTON 3 Voting District17_17201RK03

—

Even

ROCKTON 4 Voting District17_17201RK04

—

Even

ROCKTON 5 Voting District17_17201RK05

—

Even

ROCKTON 6 Voting District17_17201RK06

—

Even

ROCKTON 7 Voting District17_17201RK07

—

Even

ROCKTON 8 Voting District17_17201RK08

—

Even

ROCKTON 9 Voting District17_17201RK09

—

Even

ROSCOE 1 Voting District17_17201RO01

—

Even

ROSCOE 10 Voting District17_17201RO10

—

Even

ROSCOE 2 Voting District17_17201RO02

—

Even

ROSCOE 3 Voting District17_17201RO03

—

Even

ROSCOE 4 Voting District17_17201RO04

—

Even

ROSCOE 5 Voting District17_17201RO05

—

Even

ROSCOE 6 Voting District17_17201RO06

—

Even

ROSCOE 7 Voting District17_17201RO07

—

Even

ROSCOE 8 Voting District17_17201RO08

—

Even

ROSCOE 9 Voting District17_17201RO09

—

Even

SEWARD 1 Voting District17_17201SE01

—

Even

SHIRLAND 1 Voting District17_17201SH01

—

Even

WINNEBAGO 1 Voting District17_17201WI01

—

Even

WINNEBAGO 2 Voting District17_17201WI02

—

Even

WINNEBAGO 3 Voting District17_17201WI03

—

Even

WINNEBAGO 4 Voting District17_17201WI04

—

Even

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−34.4%
1896	−52.8%
1900	−50.3%
1904	−64.0%
1908	−54.2%
1912	−2.0%
1916	−38.0%
1920	−65.9%
1924	−64.1%
1928	−61.8%
1932	−19.1%
1936	+4.1%
1940	−4.4%
1944	−5.1%
1948	−4.2%
1952	−16.1%
1956	−24.9%
1960	−10.5%
1964	+10.0%
1968	−12.1%
1972	−23.2%
1976	−10.6%
1980	−15.6%
1984	−17.9%
1988	−10.3%
1992	+5.4%
1996	+1.8%
2000	−1.7%
2004	−0.9%
2008	+12.8%
2012	+5.5%
2016	+0.1%
2020	+2.5%
2024	+0.6%

DemocraticRepublican

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.

Year

Won

Democratic

Republican

Other

Margin

Swing

vs U.S.

Total

2024

49.4%Harris59,942

48.8%Trump59,257

1.5%Kennedy1,849

D+0.6

R+1.9

D+2.0

121,347

2020

50.0%Biden64,056

47.5%Trump60,861

1.3%Jorgensen1,719

D+2.5

D+2.4

R+2.0

128,160

2016

46.4%Clinton55,713

46.3%Trump55,624

4.2%Johnson5,064

D+0.1

R+5.4

R+2.0

120,055

2012

51.7%Obama61,732

46.2%Romney55,138

1.2%JOHNSON1,465

D+5.5

R+7.3

D+1.7

119,397

2008

55.6%Obama70,034

42.8%McCain53,886

1.7%

D+12.8

D+13.7

D+5.5

126,031

2004

49.2%Kerry59,740

50.1%Bush60,782

0.7%

R+0.9

D+0.8

D+1.6

121,425

2000

47.6%Gore51,981

49.2%Bush53,816

2.4%Nader2,637

R+1.7

R+3.5

R+2.2

109,297

1996

46.3%Clinton46,264

44.5%Dole44,479

8.2%Perot8,192

D+1.8

R+3.6

R+6.7

99,910

1992

43.0%Clinton48,298

37.6%Bush42,221

18.9%Perot21,227

D+5.4

D+15.7

R+0.1

112,215

1988

44.6%Dukakis45,280

54.8%Bush55,699

0.6%

R+10.3

D+7.6

R+2.5

101,550

1984

40.8%Mondale44,629

58.7%Reagan64,203

0.6%

R+17.9

R+2.2

D+0.3

109,451

1980

30.8%Carter32,384

46.5%Reagan48,825

22.7%

R+15.6

R+5.0

R+5.9

105,089

1976

43.5%Carter42,399

54.2%Ford52,736

2.3%

R+10.6

D+12.6

R+12.7

97,387

1972

38.3%McGovern35,937

61.5%Nixon57,682

0.2%

R+23.2

R+11.1

±0.0

93,850

1968

40.4%Humphrey36,702

52.5%Nixon47,646

7.0%

R+12.1

R+22.1

R+11.4

90,739

1964

55.0%Johnson48,834

45.0%Goldwater39,920

0.0%

D+10.0

D+20.6

R+12.5

88,754

1960

44.7%Kennedy40,090

55.2%Nixon49,541

0.1%

R+10.5

D+14.3

R+10.7

89,741

1956

37.5%Stevenson29,063

62.4%Eisenhower48,332

0.1%

R+24.9

R+8.8

R+9.5

77,484

1952

41.9%Stevenson31,409

58.0%Eisenhower43,468

0.2%

R+16.1

R+11.9

R+5.3

75,004

1948

47.4%Truman27,145

51.5%Dewey29,537

1.1%

R+4.2

D+0.9

R+8.7

57,313

1944

47.2%Roosevelt27,831

52.3%Dewey30,837

0.5%

R+5.1

R+0.7

R+12.6

58,945

1940

47.5%Roosevelt28,061

51.9%Willkie30,683

0.6%

R+4.4

R+8.5

R+14.4

59,127

1936

50.4%Roosevelt27,200

46.3%Landon24,997

3.3%

D+4.1

D+23.2

R+20.2

53,989

1932

38.0%Roosevelt17,707

57.1%Hoover26,632

4.9%

R+19.1

D+42.7

R+36.9

46,625

1928

18.6%Smith7,684

80.4%Hoover33,258

1.0%

R+61.8

D+2.3

R+44.3

41,372

1924

7.2%Davis2,228

71.3%Coolidge21,978

20.9%La Follette6,434

R+64.1

D+1.8

R+38.9

30,814

1920

13.3%Cox3,355

79.2%Harding19,913

7.4%

R+65.9

R+27.9

R+39.7

25,134

1916

27.1%Wilson6,198

65.1%Hughes14,893

7.8%

R+38.0

R+36.0

R+41.1

22,882

1912

17.4%Wilson2,276

19.4%Taft2,537

63.3%

Roosevelt +43.9

D+52.2

R+21.5

13,105

1908

17.3%Bryan2,163

71.5%Taft8,919

11.1%

R+54.2

D+9.8

R+44.6

12,467

1904

10.8%Parker1,177

74.8%Roosevelt8,143

14.4%

R+64.0

R+13.7

R+44.3

10,887

1900

22.4%Bryan2,498

72.7%McKinley8,103

4.9%

R+50.3

D+2.5

R+42.7

11,147

1896

22.3%Bryan2,447

75.1%McKinley8,242

2.6%

R+52.8

R+18.4

R+46.7

10,975

1892

28.1%Cleveland2,634

62.5%Harrison5,854

9.4%

R+34.4

—

R+36.0

9,366

1888

—

No data

—

1884

—

No data

—

1880

—

No data

—

1876

—

No data

—

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.

Year

Won

Democratic

Republican

Total

2022

49.3%43,384

48.8%42,972

88,002

2020

48.4%61,182

47.8%60,473

126,388

Frequently asked questions

Voter registration in Winnebago County, IL
Year	Total registered
2016	93,743
2018	98,585
2020	99,215
2022	114,384
2024	102,461

How did Winnebago County, Illinois vote in 2024?

In 2024, Winnebago County, Illinois voted Democratic by 0.6 points (D+0.6), carried by the Democratic candidate. Out of 121,347 votes cast, 59,942 went Democratic and 59,257 went Republican.

When did Winnebago County, Illinois last vote Republican?

The most recent presidential election in which Winnebago County, Illinois voted Republican was 2004.

How many people live in Winnebago County, Illinois?

Winnebago County, Illinois has a population of 283,292 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Winnebago County, Illinois?

Median household income in Winnebago County, Illinois is $65,837 — below the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Winnebago County, Illinois?

Akashic tracks 38 presidential elections in Winnebago County, Illinois from 1876 to 2024. Of those, 9 went Democratic and 24 went Republican.

presidential margin

presidential returns

Who lives here

Communities and origins

Age and life stage

Household economy

Languages at home

Religious landscape

Results by precinct

Presidential margin, 1892–2024

U.S. Senate

Registered voters

Who moves in and out

Where arrivals came from lean of each source

Where departures went households, 2022–23

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Frequently asked questions

presidential margin

presidential returns

Who lives here

Communities and origins

Age and life stage

Household economy

Languages at home

Religious landscape

Results by precinct

Presidential margin, 1892–2024

U.S. Senate

Registered voters

Who moves in and out

Where arrivals came from lean of each source

Where departures went households, 2022–23

Compare two places, side by side

Frequently asked questions