Butler County, Pennsylvania

Year	Democrat	Republican	Others	Total
2024	40,661	79,773	1,006	121,440
2020	37,508	74,359	1,438	113,305
2016	28,586	64,431	5,034	98,051
2012	28,550	59,761	1,388	89,699
2008	32,260	57,074	1,091	90,425
2004	30,090	54,959	376	85,425

Year

Democrat

Republican

Others

Total

2024

40,661

79,773

1,006

121,440

2020

37,508

74,359

1,438

113,305

2016

28,586

64,431

5,034

98,051

2012

28,550

59,761

1,388

89,699

2008

32,260

57,074

1,091

90,425

2004

30,090

54,959

376

85,425

Measure	Butler County	Pennsylvania	United States
Median age	43.4	41.2	39.1
Age 18–24	8.7%	8.9%	9.2%
Age 65 and older	20.6%	19.5%	17.2%

Measure

Butler County

Pennsylvania

United States

Median age

43.4

41.2

39.1

Age 18–24

8.7%

8.9%

9.2%

Age 65 and older

20.6%

19.5%

17.2%

Measure	Butler County	Pennsylvania	United States
Median household income	$89,843	$77,971	$84,427
Poverty rate	8.1%	11.7%	12.5%
Bachelor's degree or higher (25+)	39.4%	35.2%	35.6%

Measure

Butler County

Pennsylvania

United States

Median household income

$89,843

$77,971

$84,427

Poverty rate

8.1%

11.7%

12.5%

Bachelor's degree or higher (25+)

39.4%

35.2%

35.6%

Measure	Butler County	Pennsylvania	United States
Speaks a non-English language at home	3.7%	12.4%	22.3%
Spanish	1.2%	5.6%	13.6%

Measure

Butler County

Pennsylvania

United States

Speaks a non-English language at home

3.7%

12.4%

22.3%

Spanish

1.2%

5.6%

13.6%

Measure	Butler County	Pennsylvania	United States
Catholic	30.3%	21.9%	18.6%
Evangelical Protestant	11.6%	9.3%	16.5%
Unclaimed / not counted	46.0%	53.1%	51.5%
Mainline Protestant	10.8%	10.3%	5.2%

Measure

Butler County

Pennsylvania

United States

Catholic

30.3%

21.9%

18.6%

Evangelical Protestant

11.6%

9.3%

16.5%

Unclaimed / not counted

46.0%

53.1%

51.5%

Mainline Protestant

10.8%

10.3%

5.2%

Precinct data

Results by precinct

183 precincts · 118,898 votes

Election

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

Butler County precinct-level presidential election results for 2024

Precinct 0012420190012	1,397	1,888	21	3,306	42.3%	57.1%	R+14.9
Precinct 0016420190016	821	1,784	21	2,626	31.3%	67.9%	R+36.7
Precinct 0379420190379	1,181	1,336	24	2,541	46.5%	52.6%	R+6.1
Precinct 0510420190510	826	1,644	16	2,486	33.2%	66.1%	R+32.9
Precinct 0480420190480	866	1,583	21	2,470	35.1%	64.1%	R+29.0
Precinct 0351420190351	945	1,486	13	2,444	38.7%	60.8%	R+22.1
Precinct 0366420190366	1,140	1,130	13	2,283	49.9%	49.5%	D+0.4
Precinct 0670420190670	832	1,417	16	2,265	36.7%	62.6%	R+25.8
Precinct 0353420190353	826	1,390	23	2,239	36.9%	62.1%	R+25.2
Precinct 0440420190440	700	1,524	11	2,235	31.3%	68.2%	R+36.9
Precinct 0760420190760	545	1,668	15	2,228	24.5%	74.9%	R+50.4
Precinct 0378420190378	984	1,133	15	2,132	46.2%	53.1%	R+7.0
Precinct 0190420190190	621	1,413	12	2,046	30.4%	69.1%	R+38.7
Precinct 0014420190014	671	1,337	12	2,020	33.2%	66.2%	R+33.0
Precinct 0371420190371	850	1,146	12	2,008	42.3%	57.1%	R+14.7
Precinct 0150420190150	702	1,272	16	1,990	35.3%	63.9%	R+28.6
Precinct 0050420190050	635	1,306	6	1,947	32.6%	67.1%	R+34.5
Precinct 0375420190375	870	1,049	24	1,943	44.8%	54.0%	R+9.2
Precinct 0550420190550	574	1,337	11	1,922	29.9%	69.6%	R+39.7
Precinct 0060420190060	572	1,329	11	1,912	29.9%	69.5%	R+39.6
Precinct 0660420190660	828	1,056	21	1,905	43.5%	55.4%	R+12.0
Precinct 0310420190310	496	1,382	8	1,886	26.3%	73.3%	R+47.0
Precinct 0377420190377	851	1,008	26	1,885	45.1%	53.5%	R+8.3
Precinct 0330420190330	545	1,329	9	1,883	28.9%	70.6%	R+41.6
Precinct 0248420190248	595	1,262	19	1,876	31.7%	67.3%	R+35.6
Precinct 0242420190242	639	1,176	12	1,827	35.0%	64.4%	R+29.4
Precinct 0450420190450	475	1,286	19	1,780	26.7%	72.2%	R+45.6
Precinct 0254420190254	500	1,271	8	1,779	28.1%	71.4%	R+43.3
Precinct 0580420190580	370	1,358	14	1,742	21.2%	78.0%	R+56.7
Precinct 0610420190610	446	1,213	17	1,676	26.6%	72.4%	R+45.8
Precinct 0600420190600	439	1,221	9	1,669	26.3%	73.2%	R+46.9
Precinct 0557420190557	382	1,266	16	1,664	23.0%	76.1%	R+53.1
Precinct 0560420190560	560	1,087	10	1,657	33.8%	65.6%	R+31.8
Precinct 0700420190700	354	1,170	11	1,535	23.1%	76.2%	R+53.2
Precinct 0376420190376	676	838	15	1,529	44.2%	54.8%	R+10.6
Precinct 0561420190561	374	1,134	15	1,523	24.6%	74.5%	R+49.9
Precinct 0075420190075	577	909	14	1,500	38.5%	60.6%	R+22.1
Precinct 0546420190546	576	898	20	1,494	38.6%	60.1%	R+21.6
Precinct 0200420190200	489	981	11	1,481	33.0%	66.2%	R+33.2
Precinct 0135420190135	594	857	15	1,466	40.5%	58.5%	R+17.9
Precinct 0220420190220	466	979	16	1,461	31.9%	67.0%	R+35.1
Precinct 0017420190017	516	934	9	1,459	35.4%	64.0%	R+28.6
Precinct 0290420190290	279	1,140	11	1,430	19.5%	79.7%	R+60.2
Precinct 0358420190358	612	810	8	1,430	42.8%	56.6%	R+13.8
Precinct 0065420190065	488	910	12	1,410	34.6%	64.5%	R+29.9
Precinct 0300420190300	302	1,087	16	1,405	21.5%	77.4%	R+55.9
Precinct 0210420190210	453	844	9	1,306	34.7%	64.6%	R+29.9
Precinct 0420420190420	243	1,032	5	1,280	19.0%	80.6%	R+61.6
Precinct 0015420190015	437	832	4	1,273	34.3%	65.4%	R+31.0
Precinct 0570420190570	269	983	9	1,261	21.3%	78.0%	R+56.6
Precinct 0160420190160	459	786	12	1,257	36.5%	62.5%	R+26.0
Precinct 0362420190362	478	742	8	1,228	38.9%	60.4%	R+21.5
Precinct 0380420190380	224	867	7	1,098	20.4%	79.0%	R+58.6
Precinct 0690420190690	242	783	4	1,029	23.5%	76.1%	R+52.6
Precinct 0410420190410	356	659	13	1,028	34.6%	64.1%	R+29.5
Precinct 0331420190331	293	712	11	1,016	28.8%	70.1%	R+41.2
Precinct 0865420190865	364	559	19	942	38.6%	59.3%	R+20.7
Precinct 0770420190770	216	709	7	932	23.2%	76.1%	R+52.9
Precinct 0530420190530	343	543	11	897	38.2%	60.5%	R+22.3
Precinct 0100420190100	356	500	9	865	41.2%	57.8%	R+16.6
Precinct 0855420190855	346	496	9	851	40.7%	58.3%	R+17.6
Precinct 0320420190320	180	652	12	844	21.3%	77.3%	R+55.9
Precinct 0650420190650	298	541	3	842	35.4%	64.3%	R+28.9
Precinct 0845420190845	291	453	14	758	38.4%	59.8%	R+21.4
Precinct 0180420190180	269	474	10	753	35.7%	62.9%	R+27.2
Precinct 0730420190730	127	584	5	716	17.7%	81.6%	R+63.8
Precinct 0640420190640	215	465	5	685	31.4%	67.9%	R+36.5
Precinct 0170420190170	258	419	5	682	37.8%	61.4%	R+23.6
Precinct 0030420190030	165	501	3	669	24.7%	74.9%	R+50.2
Precinct 0120420190120	317	338	8	663	47.8%	51.0%	R+3.2
Precinct 0520420190520	151	497	8	656	23.0%	75.8%	R+52.7
Precinct 0540420190540	145	488	12	645	22.5%	75.7%	R+53.2
Precinct 0460420190460	276	358	8	642	43.0%	55.8%	R+12.8
Precinct 0260420190260	155	470	7	632	24.5%	74.4%	R+49.8
Precinct 0090420190090	276	344	9	629	43.9%	54.7%	R+10.8
Precinct 0110420190110	263	320	10	593	44.4%	54.0%	R+9.6
Precinct 0340420190340	200	379	4	583	34.3%	65.0%	R+30.7
Precinct 0280420190280	114	414	9	537	21.2%	77.1%	R+55.9
Precinct 0720420190720	82	393	6	481	17.0%	81.7%	R+64.7
Precinct 0470420190470	120	346	6	472	25.4%	73.3%	R+47.9
Precinct 0390420190390	108	294	3	405	26.7%	72.6%	R+45.9
Precinct 0710420190710	164	203	1	368	44.6%	55.2%	R+10.6
Precinct 0590420190590	72	291	0	363	19.8%	80.2%	R+60.3
Precinct 0020420190020	67	258	4	329	20.4%	78.4%	R+58.1
Precinct 0230420190230	61	146	0	207	29.5%	70.5%	R+41.1
Precinct 0040420190040	21	180	3	204	10.3%	88.2%	R+77.9
Precinct 0740420190740	54	148	1	203	26.6%	72.9%	R+46.3
Precinct 0630420190630	41	100	2	143	28.7%	69.9%	R+41.3
Precinct 0400420190400	39	97	1	137	28.5%	70.8%	R+42.3
Precinct 0750420190750	28	67	0	95	29.5%	70.5%	R+41.1
Precinct 0620420190620	18	75	0	93	19.4%	80.6%	R+61.3
Precinct 0500420190500	10	79	1	90	11.1%	87.8%	R+76.7
Precinct 0481420190481	19	61	2	82	23.2%	74.4%	R+51.2
Precinct 0270420190270	10	27	2	39	25.6%	69.2%	R+43.6
ADAMS PCT 0142_42019PR85	0	0	0	0	—	—	Even
ADAMS PCT 0242_42019PR86	0	0	0	0	—	—	Even
ADAMS PCT 0342_42019PR87	0	0	0	0	—	—	Even
ALLEGHENY TWP Voting District42_4201920	0	0	0	0	—	—	Even
BRADY TWP Voting District42_4201930	0	0	0	0	—	—	Even
BRUIN Voting District42_4201940	0	0	0	0	—	—	Even
BUFFALO TWO PCT 0142_4201950	0	0	0	0	—	—	Even
BUFFALO TWP PCT 0242_4201951	0	0	0	0	—	—	Even
BUFFALO TWP PCT 0342_4201952	0	0	0	0	—	—	Even
BUTLER TWP VTD 01 ED 0142_42019150	0	0	0	0	—	—	Even
BUTLER TWP VTD 01 ED 0242_42019160	0	0	0	0	—	—	Even
BUTLER TWP VTD 0242_42019170	0	0	0	0	—	—	Even
BUTLER TWP VTD 0342_42019180	0	0	0	0	—	—	Even
BUTLER TWP VTD 0442_42019190	0	0	0	0	—	—	Even
BUTLER TWP VTD 0542_42019200	0	0	0	0	—	—	Even
BUTLER TWP VTD 06 ED NORTH42_42019210	0	0	0	0	—	—	Even
BUTLER TWP VTD 06 ED SOUTH42_42019220	0	0	0	0	—	—	Even
BUTLER WD 0142_4201980	0	0	0	0	—	—	Even
BUTLER WD 0242_4201990	0	0	0	0	—	—	Even
BUTLER WD 0342_42019100	0	0	0	0	—	—	Even
BUTLER WD 04 PCT 0142_42019110	0	0	0	0	—	—	Even
BUTLER WD 04 PCT 0242_42019120	0	0	0	0	—	—	Even
BUTLER WD 0542_42019130	0	0	0	0	—	—	Even
CALLERY Voting District42_42019230	0	0	0	0	—	—	Even
CENTER TWP VTD 0142_42019240	0	0	0	0	—	—	Even
CENTER TWP VTD 0242_42019250	0	0	0	0	—	—	Even
CENTER TWP VTD 0342_42019255	0	0	0	0	—	—	Even
CHERRY TWP Voting District42_42019260	0	0	0	0	—	—	Even
CHERRY VALLEY Voting District42_42019270	0	0	0	0	—	—	Even
CHICORA Voting District42_42019280	0	0	0	0	—	—	Even
CLAY TWP Voting District42_42019290	0	0	0	0	—	—	Even
CLEARFIELD TWP Voting District42_42019300	0	0	0	0	—	—	Even
CLINTON TWP Voting District42_42019310	0	0	0	0	—	—	Even
CONCORD TWP Voting District42_42019320	0	0	0	0	—	—	Even
CONNOQUENESSING TWP Voting District42_42019330	0	0	0	0	—	—	Even
CONNOQUENESSING Voting District42_42019340	0	0	0	0	—	—	Even
CRANBERRY TWP VTD EAST ED 0142_42019351	0	0	0	0	—	—	Even
CRANBERRY TWP VTD EAST ED 0242_42019355	0	0	0	0	—	—	Even
CRANBERRY TWP VTD EAST ED 0342_42019356	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0142_42019360	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0242_42019365	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0342_42019371	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0442_42019375	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0542_42019376	0	0	0	0	—	—	Even
CRANBERRY TWP VTD WEST ED 0642_42019377	0	0	0	0	—	—	Even
DONEGAL TWP Voting District42_42019380	0	0	0	0	—	—	Even
EAST BUTLER Voting District42_42019390	0	0	0	0	—	—	Even
EAU CLAIRE Voting District42_42019400	0	0	0	0	—	—	Even
EVANS CITY Voting District42_42019410	0	0	0	0	—	—	Even
FAIRVIEW TWP Voting District42_42019420	0	0	0	0	—	—	Even
FAIRVIEW Voting District42_42019430	0	0	0	0	—	—	Even
FORWARD TWP Voting District42_42019440	0	0	0	0	—	—	Even
FRANKLIN TWP Voting District42_42019450	0	0	0	0	—	—	Even
HARMONY Voting District42_42019460	0	0	0	0	—	—	Even
HARRISVILLE Voting District42_42019470	0	0	0	0	—	—	Even
JACKSON TWP Voting District42_42019480	0	0	0	0	—	—	Even
JEFFERSON TWP VTD I42_42019545	0	0	0	0	—	—	Even
JEFFERSON TWP VTD II42_42019555	0	0	0	0	—	—	Even
KARNS CITY Voting District42_42019500	0	0	0	0	—	—	Even
LANCASTER TWP Voting District42_42019510	0	0	0	0	—	—	Even
MARION TWP Voting District42_42019520	0	0	0	0	—	—	Even
MARS Voting District42_42019530	0	0	0	0	—	—	Even
MERCER TWP Voting District42_42019540	0	0	0	0	—	—	Even
MIDDLESEX TWP VTD NORTH42_42019550	0	0	0	0	—	—	Even
MIDDLESEX TWP VTD SOUTH42_42019560	0	0	0	0	—	—	Even
MUDDYCREEK TWP Voting District42_42019570	0	0	0	0	—	—	Even
OAKLAND TWP Voting District42_42019580	0	0	0	0	—	—	Even
PARKER TWP Voting District42_42019590	0	0	0	0	—	—	Even
PENN TWP VTD EAST42_42019600	0	0	0	0	—	—	Even
PENN TWP VTD WEST42_42019610	0	0	0	0	—	—	Even
PETROLIA Voting District42_42019620	0	0	0	0	—	—	Even
PORTERSVILLE Voting District42_42019630	0	0	0	0	—	—	Even
PROSPECT Voting District42_42019640	0	0	0	0	—	—	Even
SAXONBURG Voting District42_42019650	0	0	0	0	—	—	Even
SEVEN FIELDS Voting District42_42019660	0	0	0	0	—	—	Even
SLIPPERY ROCK TWP Voting District42_42019670	0	0	0	0	—	—	Even
SLIPPERY ROCK Voting District42_42019680	0	0	0	0	—	—	Even
SUMMIT TWP VTD NORTH42_42019690	0	0	0	0	—	—	Even
SUMMIT TWP VTD SOUTH42_42019700	0	0	0	0	—	—	Even
VALENCIA Voting District42_42019710	0	0	0	0	—	—	Even
VENANGO TWP Voting District42_42019720	0	0	0	0	—	—	Even
WASHINGTON TWP Voting District42_42019730	0	0	0	0	—	—	Even
WEST LIBERTY Voting District42_42019740	0	0	0	0	—	—	Even
WEST SUNBURY Voting District42_42019750	0	0	0	0	—	—	Even
WINFIELD TWP Voting District42_42019760	0	0	0	0	—	—	Even
WORTH TWP Voting District42_42019770	0	0	0	0	—	—	Even
ZELIENOPLE VTD 0142_42019845	0	0	0	0	—	—	Even
ZELIENOPLE VTD 0242_42019855	0	0	0	0	—	—	Even
ZELIENOPLE VTD 0342_42019865	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	−8.6%
1896	−13.8%
1900	−16.3%
1904	−32.8%
1908	−15.5%
1912	+24.5%
1916	−7.9%
1920	−42.4%
1924	−51.1%
1928	−51.6%
1932	−13.4%
1936	−2.3%
1940	−16.7%
1944	−21.8%
1948	−27.5%
1952	−24.4%
1956	−31.4%
1960	−22.8%
1964	+22.2%
1968	−4.9%
1972	−32.8%
1976	−7.5%
1980	−17.3%
1984	−12.3%
1988	−10.7%
1992	−2.2%
1996	−16.6%
2000	−26.8%
2004	−29.1%
2008	−27.4%
2012	−34.8%
2016	−36.6%
2020	−32.5%
2024	−32.2%

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	R	33.5%Harris40,661	65.7%Trump79,773	0.5%Oliver665 +1	R+32.2	D+0.3	R+30.7	121,440
All 4 candidates in 2024 · 2 minor / independent Donald J TrumpRepublican65.7%79,773 Kamala D HarrisDemocratic33.5%40,661 Chase OliverLibertarian0.5%665 Jill SteinIndependent0.3%341
2020	R	33.1%Biden37,508	65.6%Trump74,359	1.3%Jorgensen1,438	R+32.5	D+4.0	R+37.0	113,305
2016	R	29.2%Clinton28,586	65.7%Trump64,431	3.1%Johnson3,062	R+36.6	R+1.8	R+38.6	98,051
2012	R	31.8%Obama28,550	66.6%Romney59,761	0.9%Johnson819	R+34.8	R+7.4	R+38.7	89,699
2008	R	35.7%Obama32,260	63.1%McCain57,074	1.2%	R+27.4	D+1.7	R+34.7	90,425
2004	R	35.2%Kerry30,090	64.3%Bush54,959	0.4%	R+29.1	R+2.3	R+26.7	85,425
2000	R	35.3%Gore25,037	62.1%Bush44,009	1.8%Nader1,287	R+26.8	R+10.2	R+27.3	70,849
1996	R	36.3%Clinton21,990	52.9%Dole32,038	10.1%Perot6,145	R+16.6	R+14.4	R+25.1	60,591
1992	R	36.5%Clinton22,303	38.7%Bush23,656	24.6%Perot15,013	R+2.2	D+8.5	R+7.8	61,130
1988	R	44.1%Dukakis22,341	54.8%Bush27,777	1.1%	R+10.7	D+1.5	R+3.0	50,667
1984	R	43.7%Mondale24,735	55.9%Reagan31,676	0.4%	R+12.3	D+5.0	D+6.0	56,626
1980	R	37.4%Carter19,711	54.7%Reagan28,821	7.9%	R+17.3	R+9.8	R+7.6	52,689
1976	R	45.0%Carter22,611	52.5%Ford26,366	2.4%	R+7.5	D+25.4	R+9.5	50,198
1972	R	32.2%McGovern14,695	65.1%Nixon29,665	2.7%	R+32.8	R+28.0	R+9.7	45,574
1968	R	42.9%Humphrey19,415	47.7%Nixon21,618	9.4%	R+4.9	R+27.0	R+4.2	45,291
1964	D	61.0%Johnson27,267	38.8%Goldwater17,360	0.2%	D+22.2	D+44.9	R+0.4	44,722
1960	R	38.5%Kennedy17,805	61.2%Nixon28,348	0.3%	R+22.8	D+8.7	R+22.9	46,305
1956	R	34.2%Stevenson13,672	65.6%Eisenhower26,238	0.2%	R+31.4	R+7.0	R+16.0	39,989
1952	R	37.6%Stevenson15,295	62.0%Eisenhower25,243	0.5%	R+24.4	D+3.1	R+13.7	40,723
1948	R	35.4%Truman9,818	62.9%Dewey17,449	1.6%	R+27.5	R+5.7	R+32.0	27,724
1944	R	38.7%Roosevelt12,377	60.5%Dewey19,341	0.7%	R+21.8	R+5.1	R+29.3	31,944
1940	R	41.5%Roosevelt13,875	58.2%Willkie19,450	0.3%	R+16.7	R+14.4	R+26.6	33,439
1936	R	48.1%Roosevelt16,008	50.4%Landon16,772	1.6%	R+2.3	D+11.1	R+26.6	33,309
1932	R	41.4%Roosevelt8,717	54.8%Hoover11,543	3.9%	R+13.4	D+38.2	R+31.2	21,075
1928	R	23.9%Smith6,283	75.5%Hoover19,880	0.6%	R+51.6	R+0.5	R+34.2	26,327
1924	R	18.3%Davis3,462	69.5%Coolidge13,113	10.2%La Follette1,932	R+51.1	R+8.7	R+25.9	18,880
1920	R	24.5%Cox3,829	66.9%Harding10,467	8.7%	R+42.4	R+34.5	R+16.2	15,653
1916	R	39.3%Wilson4,544	47.2%Hughes5,458	13.5%	R+7.9	R+32.4	R+11.0	11,568
1912	O	35.9%Wilson4,022	11.4%Taft1,273	52.8%	Roosevelt +16.9	D+40.0	D+5.0	11,215
1908	R	38.6%Bryan4,698	54.1%Taft6,584	7.2%	R+15.5	D+17.3	R+6.0	12,159
1904	R	30.6%Parker3,187	63.4%Roosevelt6,596	5.9%	R+32.8	R+16.5	R+13.1	10,399
1900	R	39.6%Bryan4,465	55.9%McKinley6,303	4.6%	R+16.3	R+2.5	R+8.7	11,285
1896	R	41.7%Bryan5,127	55.4%McKinley6,821	2.9%	R+13.8	R+5.2	R+7.7	12,308
1892	R	41.6%Cleveland4,161	50.2%Harrison5,019	8.2%	R+8.6	—	R+10.2	10,004
1888	—	—	—	—	No data	—	—	—
1884	—	—	—	—	No data	—	—	—
1880	—	—	—	—	No data	—	—	—
1876	—	—	—	—	No data	—	—	—

Congressional elections · 3 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	Democratic	Republican	Total
2024	R	33.9%40,973	63.9%77,328	120,967
2022	R	36.3%33,921	61.3%57,168	93,335
2018	R	39.0%31,010	59.0%46,875	79,495

voter registration

Registered voters

By party of registration, over time

Party registration · 2026R+30.5

Presidential vote · 2024R+32.2

Registration and the presidential vote track closely here — within 1.7 points.

143,440 registered voters · 2026

Democratic27.3%Republican57.8%Unaffiliated11.3%Other3.6%

domestic migration

Who moves in and out

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

+1,200 net domestic migration · 2025

20112025

Net +13,088 over 2011–2025 · gain loss

Arrivals reported $93,237 in average income, against $107,576 for residents who stayed — 13% lower. (IRS SOI, 2022–23)

The places arrivals came from lean R+0.5 on average — 32 points more Democratic-leaning than Butler County, PA itself (R+32.2).

Where arrivals came from lean of each source

Allegheny County, PA1,755D+20.3
Beaver County, PA254R+20.7
Westmoreland County, PA168R+28.4
Lawrence County, PA162R+33.8
Armstrong County, PA158R+53.2
Mercer County, PA158R+30.2

Where departures went households, 2022–23

Allegheny County, PA1,203
Beaver County, PA330
Lawrence County, PA219
Westmoreland County, PA159
Armstrong County, PA154
Mercer County, PA152

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 Butler County, PA in Butler County, PA: net domestic migration by year
Year	Net domestic migration
2011	+610
2012	+229
2013	+244
2014	+703
2015	+235
2016	+238
2017	+892
2018	+1,005
2019	+431
2021	+3,575
2022	+1,316
2023	+1,548
2024	+862
2025	+1,200

Butler County, north of Pittsburgh, has shifted sharply rightward over the past two decades alongside the broader rural and exurban realignment in western Pennsylvania, delivering a 32-point Republican margin in 2024 despite a population large enough to anchor its own mid-size media market.

Across the recorded series it reached a Democratic high of 24.5 points in 1912 and a Republican high of 51.6 points in 1928. The 2024 margin was 32.2 points.

A population of 197,254, a 92% non-Hispanic-white share, and a median household income of $89,843 describe the county. The county's voting pattern over the last decade is most similar to that of Westmoreland County and Geauga County.

Political twins — counties

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

Westmoreland County

Pennsylvania

87.1twin score

% Catholicpopulation scaleItalian ancestry

Geauga County

Ohio

83.3twin score

% Catholiccollege shareItalian ancestry≠ % Evangelical

Waukesha County

Wisconsin

82.1twin score

% Catholic12-yr trendpopulation scale≠ Italian ancestry

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 →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Butler County, Pennsylvania. Akashic. https://akashic.app/county/42019/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

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Cities & towns in Butler County

Slippery Rock University

Pennsylvania at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2024 Governorstate + county2022 US Houseall districts2024

Frequently asked questions

How did Butler County, Pennsylvania vote in 2024?

In 2024, Butler County, Pennsylvania voted Republican by 32.2 points (R+32.2), carried by the Republican candidate. Out of 121,440 votes cast, 40,661 went Democratic and 79,773 went Republican.

When did Butler County, Pennsylvania last vote Democratic?

The most recent presidential election in which Butler County, Pennsylvania voted Democratic was 1964.

How many people live in Butler County, Pennsylvania?

Butler County, Pennsylvania has a population of 197,254 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Butler County, Pennsylvania?

Median household income in Butler County, Pennsylvania is $89,843 — above the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of Butler County, Pennsylvania?

Akashic tracks 38 presidential elections in Butler County, Pennsylvania from 1876 to 2024. Of those, 1 went Democratic and 32 went Republican.

Year	Democrat	Republican	Others	Total
2024	40,661	79,773	1,006	121,440
2020	37,508	74,359	1,438	113,305
2016	28,586	64,431	5,034	98,051
2012	28,550	59,761	1,388	89,699
2008	32,260	57,074	1,091	90,425
2004	30,090	54,959	376	85,425

Year

Democrat

Republican

Others

Total

2024

40,661

79,773

1,006

121,440

2020

37,508

74,359

1,438

113,305

2016

28,586

64,431

5,034

98,051

2012

28,550

59,761

1,388

89,699

2008

32,260

57,074

1,091

90,425

2004

30,090

54,959

376

85,425

Measure	Butler County	Pennsylvania	United States
Median age	43.4	41.2	39.1
Age 18–24	8.7%	8.9%	9.2%
Age 65 and older	20.6%	19.5%	17.2%

Measure

Butler County

Pennsylvania

United States

Median age

43.4

41.2

39.1

Age 18–24

8.7%

8.9%

9.2%

Age 65 and older

20.6%

19.5%

17.2%

Measure	Butler County	Pennsylvania	United States
Median household income	$89,843	$77,971	$84,427
Poverty rate	8.1%	11.7%	12.5%
Bachelor's degree or higher (25+)	39.4%	35.2%	35.6%

Measure

Butler County

Pennsylvania

United States

Median household income

$89,843

$77,971

$84,427

Poverty rate

8.1%

11.7%

12.5%

Bachelor's degree or higher (25+)

39.4%

35.2%

35.6%

Measure	Butler County	Pennsylvania	United States
Speaks a non-English language at home	3.7%	12.4%	22.3%
Spanish	1.2%	5.6%	13.6%

Measure

Butler County

Pennsylvania

United States

Speaks a non-English language at home

3.7%

12.4%

22.3%

Spanish

1.2%

5.6%

13.6%

Measure	Butler County	Pennsylvania	United States
Catholic	30.3%	21.9%	18.6%
Evangelical Protestant	11.6%	9.3%	16.5%
Unclaimed / not counted	46.0%	53.1%	51.5%
Mainline Protestant	10.8%	10.3%	5.2%

Measure

Butler County

Pennsylvania

United States

Catholic

30.3%

21.9%

18.6%

Evangelical Protestant

11.6%

9.3%

16.5%

Unclaimed / not counted

46.0%

53.1%

51.5%

Mainline Protestant

10.8%

10.3%

5.2%

Butler County precinct-level presidential election results for 2024

Precinct 0012420190012

1,397

1,888

3,306

42.3%

57.1%

R+14.9

Precinct 0016420190016

821

1,784

2,626

31.3%

67.9%

R+36.7

Precinct 0379420190379

1,181

1,336

2,541

46.5%

52.6%

R+6.1

Precinct 0510420190510

826

1,644

2,486

33.2%

66.1%

R+32.9

Precinct 0480420190480

866

1,583

2,470

35.1%

64.1%

R+29.0

Precinct 0351420190351

945

1,486

2,444

38.7%

60.8%

R+22.1

Precinct 0366420190366

1,140

1,130

2,283

49.9%

49.5%

D+0.4

Precinct 0670420190670

832

1,417

2,265

36.7%

62.6%

R+25.8

Precinct 0353420190353

826

1,390

2,239

36.9%

62.1%

R+25.2

Precinct 0440420190440

700

1,524

2,235

31.3%

68.2%

R+36.9

Precinct 0760420190760

545

1,668

2,228

24.5%

74.9%

R+50.4

Precinct 0378420190378

984

1,133

2,132

46.2%

53.1%

R+7.0

Precinct 0190420190190

621

1,413

2,046

30.4%

69.1%

R+38.7

Precinct 0014420190014

671

1,337

2,020

33.2%

66.2%

R+33.0

Precinct 0371420190371

850

1,146

2,008

42.3%

57.1%

R+14.7

Precinct 0150420190150

702

1,272

1,990

35.3%

63.9%

R+28.6

Precinct 0050420190050

635

1,306

1,947

32.6%

67.1%

R+34.5

Precinct 0375420190375

870

1,049

1,943

44.8%

54.0%

R+9.2

Precinct 0550420190550

574

1,337

1,922

29.9%

69.6%

R+39.7

Precinct 0060420190060

572

1,329

1,912

29.9%

69.5%

R+39.6

Precinct 0660420190660

828

1,056

1,905

43.5%

55.4%

R+12.0

Precinct 0310420190310

496

1,382

1,886

26.3%

73.3%

R+47.0

Precinct 0377420190377

851

1,008

1,885

45.1%

53.5%

R+8.3

Precinct 0330420190330

545

1,329

1,883

28.9%

70.6%

R+41.6

Precinct 0248420190248

595

1,262

1,876

31.7%

67.3%

R+35.6

Precinct 0242420190242

639

1,176

1,827

35.0%

64.4%

R+29.4

Precinct 0450420190450

475

1,286

1,780

26.7%

72.2%

R+45.6

Precinct 0254420190254

500

1,271

1,779

28.1%

71.4%

R+43.3

Precinct 0580420190580

370

1,358

1,742

21.2%

78.0%

R+56.7

Precinct 0610420190610

446

1,213

1,676

26.6%

72.4%

R+45.8

Precinct 0600420190600

439

1,221

1,669

26.3%

73.2%

R+46.9

Precinct 0557420190557

382

1,266

1,664

23.0%

76.1%

R+53.1

Precinct 0560420190560

560

1,087

1,657

33.8%

65.6%

R+31.8

Precinct 0700420190700

354

1,170

1,535

23.1%

76.2%

R+53.2

Precinct 0376420190376

676

838

1,529

44.2%

54.8%

R+10.6

Precinct 0561420190561

374

1,134

1,523

24.6%

74.5%

R+49.9

Precinct 0075420190075

577

909

1,500

38.5%

60.6%

R+22.1

Precinct 0546420190546

576

898

1,494

38.6%

60.1%

R+21.6

Precinct 0200420190200

489

981

1,481

33.0%

66.2%

R+33.2

Precinct 0135420190135

594

857

1,466

40.5%

58.5%

R+17.9

Precinct 0220420190220

466

979

1,461

31.9%

67.0%

R+35.1

Precinct 0017420190017

516

934

1,459

35.4%

64.0%

R+28.6

Precinct 0290420190290

279

1,140

1,430

19.5%

79.7%

R+60.2

Precinct 0358420190358

612

810

1,430

42.8%

56.6%

R+13.8

Precinct 0065420190065

488

910

1,410

34.6%

64.5%

R+29.9

Precinct 0300420190300

302

1,087

1,405

21.5%

77.4%

R+55.9

Precinct 0210420190210

453

844

1,306

34.7%

64.6%

R+29.9

Precinct 0420420190420

243

1,032

1,280

19.0%

80.6%

R+61.6

Precinct 0015420190015

437

832

1,273

34.3%

65.4%

R+31.0

Precinct 0570420190570

269

983

1,261

21.3%

78.0%

R+56.6

Precinct 0160420190160

459

786

1,257

36.5%

62.5%

R+26.0

Precinct 0362420190362

478

742

1,228

38.9%

60.4%

R+21.5

Precinct 0380420190380

224

867

1,098

20.4%

79.0%

R+58.6

Precinct 0690420190690

242

783

1,029

23.5%

76.1%

R+52.6

Precinct 0410420190410

356

659

1,028

34.6%

64.1%

R+29.5

Precinct 0331420190331

293

712

1,016

28.8%

70.1%

R+41.2

Precinct 0865420190865

364

559

942

38.6%

59.3%

R+20.7

Precinct 0770420190770

216

709

932

23.2%

76.1%

R+52.9

Precinct 0530420190530

343

543

897

38.2%

60.5%

R+22.3

Precinct 0100420190100

356

500

865

41.2%

57.8%

R+16.6

Precinct 0855420190855

346

496

851

40.7%

58.3%

R+17.6

Precinct 0320420190320

180

652

844

21.3%

77.3%

R+55.9

Precinct 0650420190650

298

541

842

35.4%

64.3%

R+28.9

Precinct 0845420190845

291

453

758

38.4%

59.8%

R+21.4

Precinct 0180420190180

269

474

753

35.7%

62.9%

R+27.2

Precinct 0730420190730

127

584

716

17.7%

81.6%

R+63.8

Precinct 0640420190640

215

465

685

31.4%

67.9%

R+36.5

Precinct 0170420190170

258

419

682

37.8%

61.4%

R+23.6

Precinct 0030420190030

165

501

669

24.7%

74.9%

R+50.2

Precinct 0120420190120

317

338

663

47.8%

51.0%

R+3.2

Precinct 0520420190520

151

497

656

23.0%

75.8%

R+52.7

Precinct 0540420190540

145

488

645

22.5%

75.7%

R+53.2

Precinct 0460420190460

276

358

642

43.0%

55.8%

R+12.8

Precinct 0260420190260

155

470

632

24.5%

74.4%

R+49.8

Precinct 0090420190090

276

344

629

43.9%

54.7%

R+10.8

Precinct 0110420190110

263

320

593

44.4%

54.0%

R+9.6

Precinct 0340420190340

200

379

583

34.3%

65.0%

R+30.7

Precinct 0280420190280

114

414

537

21.2%

77.1%

R+55.9

Precinct 0720420190720

393

481

17.0%

81.7%

R+64.7

Precinct 0470420190470

120

346

472

25.4%

73.3%

R+47.9

Precinct 0390420190390

108

294

405

26.7%

72.6%

R+45.9

Precinct 0710420190710

164

203

368

44.6%

55.2%

R+10.6

Precinct 0590420190590

291

363

19.8%

80.2%

R+60.3

Precinct 0020420190020

258

329

20.4%

78.4%

R+58.1

Precinct 0230420190230

146

207

29.5%

70.5%

R+41.1

Precinct 0040420190040

180

204

10.3%

88.2%

R+77.9

Precinct 0740420190740

148

203

26.6%

72.9%

R+46.3

Precinct 0630420190630

100

143

28.7%

69.9%

R+41.3

Precinct 0400420190400

137

28.5%

70.8%

R+42.3

Precinct 0750420190750

29.5%

70.5%

R+41.1

Precinct 0620420190620

19.4%

80.6%

R+61.3

Precinct 0500420190500

11.1%

87.8%

R+76.7

Precinct 0481420190481

23.2%

74.4%

R+51.2

Precinct 0270420190270

25.6%

69.2%

R+43.6

ADAMS PCT 0142_42019PR85

—

Even

ADAMS PCT 0242_42019PR86

—

Even

ADAMS PCT 0342_42019PR87

—

Even

ALLEGHENY TWP Voting District42_4201920

—

Even

BRADY TWP Voting District42_4201930

—

Even

BRUIN Voting District42_4201940

—

Even

BUFFALO TWO PCT 0142_4201950

—

Even

BUFFALO TWP PCT 0242_4201951

—

Even

BUFFALO TWP PCT 0342_4201952

—

Even

BUTLER TWP VTD 01 ED 0142_42019150

—

Even

BUTLER TWP VTD 01 ED 0242_42019160

—

Even

BUTLER TWP VTD 0242_42019170

—

Even

BUTLER TWP VTD 0342_42019180

—

Even

BUTLER TWP VTD 0442_42019190

—

Even

BUTLER TWP VTD 0542_42019200

—

Even

BUTLER TWP VTD 06 ED NORTH42_42019210

—

Even

BUTLER TWP VTD 06 ED SOUTH42_42019220

—

Even

BUTLER WD 0142_4201980

—

Even

BUTLER WD 0242_4201990

—

Even

BUTLER WD 0342_42019100

—

Even

BUTLER WD 04 PCT 0142_42019110

—

Even

BUTLER WD 04 PCT 0242_42019120

—

Even

BUTLER WD 0542_42019130

—

Even

CALLERY Voting District42_42019230

—

Even

CENTER TWP VTD 0142_42019240

—

Even

CENTER TWP VTD 0242_42019250

—

Even

CENTER TWP VTD 0342_42019255

—

Even

CHERRY TWP Voting District42_42019260

—

Even

CHERRY VALLEY Voting District42_42019270

—

Even

CHICORA Voting District42_42019280

—

Even

CLAY TWP Voting District42_42019290

—

Even

CLEARFIELD TWP Voting District42_42019300

—

Even

CLINTON TWP Voting District42_42019310

—

Even

CONCORD TWP Voting District42_42019320

—

Even

CONNOQUENESSING TWP Voting District42_42019330

—

Even

CONNOQUENESSING Voting District42_42019340

—

Even

CRANBERRY TWP VTD EAST ED 0142_42019351

—

Even

CRANBERRY TWP VTD EAST ED 0242_42019355

—

Even

CRANBERRY TWP VTD EAST ED 0342_42019356

—

Even

CRANBERRY TWP VTD WEST ED 0142_42019360

—

Even

CRANBERRY TWP VTD WEST ED 0242_42019365

—

Even

CRANBERRY TWP VTD WEST ED 0342_42019371

—

Even

CRANBERRY TWP VTD WEST ED 0442_42019375

—

Even

CRANBERRY TWP VTD WEST ED 0542_42019376

—

Even

CRANBERRY TWP VTD WEST ED 0642_42019377

—

Even

DONEGAL TWP Voting District42_42019380

—

Even

EAST BUTLER Voting District42_42019390

—

Even

EAU CLAIRE Voting District42_42019400

—

Even

EVANS CITY Voting District42_42019410

—

Even

FAIRVIEW TWP Voting District42_42019420

—

Even

FAIRVIEW Voting District42_42019430

—

Even

FORWARD TWP Voting District42_42019440

—

Even

FRANKLIN TWP Voting District42_42019450

—

Even

HARMONY Voting District42_42019460

—

Even

HARRISVILLE Voting District42_42019470

—

Even

JACKSON TWP Voting District42_42019480

—

Even

JEFFERSON TWP VTD I42_42019545

—

Even

JEFFERSON TWP VTD II42_42019555

—

Even

KARNS CITY Voting District42_42019500

—

Even

LANCASTER TWP Voting District42_42019510

—

Even

MARION TWP Voting District42_42019520

—

Even

MARS Voting District42_42019530

—

Even

MERCER TWP Voting District42_42019540

—

Even

MIDDLESEX TWP VTD NORTH42_42019550

—

Even

MIDDLESEX TWP VTD SOUTH42_42019560

—

Even

MUDDYCREEK TWP Voting District42_42019570

—

Even

OAKLAND TWP Voting District42_42019580

—

Even

PARKER TWP Voting District42_42019590

—

Even

PENN TWP VTD EAST42_42019600

—

Even

PENN TWP VTD WEST42_42019610

—

Even

PETROLIA Voting District42_42019620

—

Even

PORTERSVILLE Voting District42_42019630

—

Even

PROSPECT Voting District42_42019640

—

Even

SAXONBURG Voting District42_42019650

—

Even

SEVEN FIELDS Voting District42_42019660

—

Even

SLIPPERY ROCK TWP Voting District42_42019670

—

Even

SLIPPERY ROCK Voting District42_42019680

—

Even

SUMMIT TWP VTD NORTH42_42019690

—

Even

SUMMIT TWP VTD SOUTH42_42019700

—

Even

VALENCIA Voting District42_42019710

—

Even

VENANGO TWP Voting District42_42019720

—

Even

WASHINGTON TWP Voting District42_42019730

—

Even

WEST LIBERTY Voting District42_42019740

—

Even

WEST SUNBURY Voting District42_42019750

—

Even

WINFIELD TWP Voting District42_42019760

—

Even

WORTH TWP Voting District42_42019770

—

Even

ZELIENOPLE VTD 0142_42019845

—

Even

ZELIENOPLE VTD 0242_42019855

—

Even

ZELIENOPLE VTD 0342_42019865

—

Even

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−8.6%
1896	−13.8%
1900	−16.3%
1904	−32.8%
1908	−15.5%
1912	+24.5%
1916	−7.9%
1920	−42.4%
1924	−51.1%
1928	−51.6%
1932	−13.4%
1936	−2.3%
1940	−16.7%
1944	−21.8%
1948	−27.5%
1952	−24.4%
1956	−31.4%
1960	−22.8%
1964	+22.2%
1968	−4.9%
1972	−32.8%
1976	−7.5%
1980	−17.3%
1984	−12.3%
1988	−10.7%
1992	−2.2%
1996	−16.6%
2000	−26.8%
2004	−29.1%
2008	−27.4%
2012	−34.8%
2016	−36.6%
2020	−32.5%
2024	−32.2%

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

33.5%Harris40,661

65.7%Trump79,773

0.5%Oliver665 +1

R+32.2

D+0.3

R+30.7

121,440

All 4 candidates in 2024 · 2 minor / independent

Donald J TrumpRepublican65.7%79,773
Kamala D HarrisDemocratic33.5%40,661
Chase OliverLibertarian0.5%665
Jill SteinIndependent0.3%341

2020

33.1%Biden37,508

65.6%Trump74,359

1.3%Jorgensen1,438

R+32.5

D+4.0

R+37.0

113,305

2016

29.2%Clinton28,586

65.7%Trump64,431

3.1%Johnson3,062

R+36.6

R+1.8

R+38.6

98,051

2012

31.8%Obama28,550

66.6%Romney59,761

0.9%Johnson819

R+34.8

R+7.4

R+38.7

89,699

2008

35.7%Obama32,260

63.1%McCain57,074

1.2%

R+27.4

D+1.7

R+34.7

90,425

2004

35.2%Kerry30,090

64.3%Bush54,959

0.4%

R+29.1

R+2.3

R+26.7

85,425

2000

35.3%Gore25,037

62.1%Bush44,009

1.8%Nader1,287

R+26.8

R+10.2

R+27.3

70,849

1996

36.3%Clinton21,990

52.9%Dole32,038

10.1%Perot6,145

R+16.6

R+14.4

R+25.1

60,591

1992

36.5%Clinton22,303

38.7%Bush23,656

24.6%Perot15,013

R+2.2

D+8.5

R+7.8

61,130

1988

44.1%Dukakis22,341

54.8%Bush27,777

1.1%

R+10.7

D+1.5

R+3.0

50,667

1984

43.7%Mondale24,735

55.9%Reagan31,676

0.4%

R+12.3

D+5.0

D+6.0

56,626

1980

37.4%Carter19,711

54.7%Reagan28,821

7.9%

R+17.3

R+9.8

R+7.6

52,689

1976

45.0%Carter22,611

52.5%Ford26,366

2.4%

R+7.5

D+25.4

R+9.5

50,198

1972

32.2%McGovern14,695

65.1%Nixon29,665

2.7%

R+32.8

R+28.0

R+9.7

45,574

1968

42.9%Humphrey19,415

47.7%Nixon21,618

9.4%

R+4.9

R+27.0

R+4.2

45,291

1964

61.0%Johnson27,267

38.8%Goldwater17,360

0.2%

D+22.2

D+44.9

R+0.4

44,722

1960

38.5%Kennedy17,805

61.2%Nixon28,348

0.3%

R+22.8

D+8.7

R+22.9

46,305

1956

34.2%Stevenson13,672

65.6%Eisenhower26,238

0.2%

R+31.4

R+7.0

R+16.0

39,989

1952

37.6%Stevenson15,295

62.0%Eisenhower25,243

0.5%

R+24.4

D+3.1

R+13.7

40,723

1948

35.4%Truman9,818

62.9%Dewey17,449

1.6%

R+27.5

R+5.7

R+32.0

27,724

1944

38.7%Roosevelt12,377

60.5%Dewey19,341

0.7%

R+21.8

R+5.1

R+29.3

31,944

1940

41.5%Roosevelt13,875

58.2%Willkie19,450

0.3%

R+16.7

R+14.4

R+26.6

33,439

1936

48.1%Roosevelt16,008

50.4%Landon16,772

1.6%

R+2.3

D+11.1

R+26.6

33,309

1932

41.4%Roosevelt8,717

54.8%Hoover11,543

3.9%

R+13.4

D+38.2

R+31.2

21,075

1928

23.9%Smith6,283

75.5%Hoover19,880

0.6%

R+51.6

R+0.5

R+34.2

26,327

1924

18.3%Davis3,462

69.5%Coolidge13,113

10.2%La Follette1,932

R+51.1

R+8.7

R+25.9

18,880

1920

24.5%Cox3,829

66.9%Harding10,467

8.7%

R+42.4

R+34.5

R+16.2

15,653

1916

39.3%Wilson4,544

47.2%Hughes5,458

13.5%

R+7.9

R+32.4

R+11.0

11,568

1912

35.9%Wilson4,022

11.4%Taft1,273

52.8%

Roosevelt +16.9

D+40.0

D+5.0

11,215

1908

38.6%Bryan4,698

54.1%Taft6,584

7.2%

R+15.5

D+17.3

R+6.0

12,159

1904

30.6%Parker3,187

63.4%Roosevelt6,596

5.9%

R+32.8

R+16.5

R+13.1

10,399

1900

39.6%Bryan4,465

55.9%McKinley6,303

4.6%

R+16.3

R+2.5

R+8.7

11,285

1896

41.7%Bryan5,127

55.4%McKinley6,821

2.9%

R+13.8

R+5.2

R+7.7

12,308

1892

41.6%Cleveland4,161

50.2%Harrison5,019

8.2%

R+8.6

—

R+10.2

10,004

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

2024

33.9%40,973

63.9%77,328

120,967

2022

36.3%33,921

61.3%57,168

93,335

2018

39.0%31,010

59.0%46,875

79,495

Frequently asked questions

How did Butler County, Pennsylvania vote in 2024?

In 2024, Butler County, Pennsylvania voted Republican by 32.2 points (R+32.2), carried by the Republican candidate. Out of 121,440 votes cast, 40,661 went Democratic and 79,773 went Republican.

When did Butler County, Pennsylvania last vote Democratic?

The most recent presidential election in which Butler County, Pennsylvania voted Democratic was 1964.

How many people live in Butler County, Pennsylvania?

Butler County, Pennsylvania has a population of 197,254 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Butler County, Pennsylvania?

Median household income in Butler County, Pennsylvania is $89,843 — above the national median of $80,734. The Pennsylvania state median is $77,971.

What is the political history of Butler County, Pennsylvania?

Akashic tracks 38 presidential elections in Butler County, Pennsylvania from 1876 to 2024. Of those, 1 went Democratic and 32 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

Compare two places, side by side

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