† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
2 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupJacksonville, ILIllinoisUnited States
German20.0%16.1%12.5%
English16.2%6.9%9.5%
Irish13.0%10.6%9.4%
American8.2%3.3%5.3%
Italian3.1%5.4%4.8%
French1.6%0.7%1.6%
Scottish1.4%—1.3%
Dutch1.2%——
African American†3.4%12.1%9.9%
African0.7%0.5%0.5%
Mexican1.7%14.4%11.3%
Spaniard0.3%——
Puerto Rican0.2%1.7%1.8%
Salvadoran0.2%—0.7%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Jacksonville, IL
Illinois
United States
Median age
41.7
39.1
39.1
Age 18–24
11.1%
9.1%
9.2%
Age 65 and older
21.1%
16.9%
17.2%
Household economy
Measure
Jacksonville, IL
Illinois
United States
Median household income
$66,358
$83,390
$84,427
Poverty rate
13.2%
11.8%
12.5%
Bachelor's degree or higher (25+)
22.5%
37.9%
35.6%
Languages at home
Measure
Jacksonville, IL
Illinois
United States
Speaks a non-English language at home
2.4%
24.1%
22.3%
Spanish
1.4%
14.0%
13.6%
Religious landscape
Measure
Jacksonville, IL
Illinois
United States
Catholic
11.7%
24.2%
18.6%
Evangelical Protestant
13.3%
11.7%
16.5%
Unclaimed / not counted
57.3%
49.2%
51.5%
Mainline Protestant
15.0%
5.3%
5.2%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Jacksonville, IL
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+7.7%
1896
+2.9%
1900
+3.1%
1904
−7.7%
1908
+2.3%
1912
+28.3%
1916
−0.5%
1920
−23.6%
1924
−14.2%
1928
−25.8%
1932
+15.9%
1936
+7.2%
1940
−4.7%
1944
−11.4%
1948
−9.0%
1952
−21.9%
1956
−23.4%
1960
−15.6%
1964
+11.6%
1968
−16.8%
1972
−32.3%
1976
−9.4%
1980
−29.8%
1984
−33.4%
1988
−17.4%
1992
−1.5%
1996
−1.8%
2000
−15.8%
2004
−25.3%
2008
−2.7%
2012
−17.0%
2016
−33.4%
2020
−35.5%
2024
−36.7%
DemocraticRepublican
34 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
R
30.9%Harris5,336
67.6%Trump11,678
1.4%
R+36.7
R+1.2
R+35.3
17,264
R
31.2%Biden5,648
66.7%Trump12,064
2.0%
R+35.5
R+2.1
R+39.9
18,076
R
30.0%Clinton5,231
63.4%Trump11,042
6.5%
R+33.4
R+16.4
R+35.5
17,408
R
40.2%Obama6,716
57.2%Romney9,559
2.6%
R+17.0
R+14.3
R+20.9
16,710
R
47.7%Obama8,557
50.4%McCain9,046
1.9%
R+2.7
D+22.6
R+10.0
17,953
R
36.9%Kerry6,577
62.2%Bush11,088
0.8%
R+25.3
R+9.5
R+22.9
17,816
R
40.8%Gore6,853
56.6%Bush9,516
2.6%
R+15.8
R+14.0
R+16.4
16,803
R
42.7%Clinton7,162
44.5%Dole7,464
12.8%
R+1.8
R+0.3
R+10.3
16,776
R
38.8%Clinton7,408
40.3%Bush7,698
20.8%
R+1.5
D+15.8
R+7.1
19,080
R
41.2%Dukakis7,275
58.5%Bush10,343
0.3%
R+17.4
D+16.0
R+9.6
17,676
R
33.1%Mondale6,304
66.5%Reagan12,659
0.4%
R+33.4
R+3.6
R+15.2
19,032
R
32.1%Carter6,424
61.9%Reagan12,396
6.1%
R+29.8
R+20.4
R+20.1
20,039
R
44.8%Carter8,827
54.1%Ford10,674
1.1%
R+9.4
D+22.9
R+11.4
19,721
R
33.8%McGovern6,819
66.1%Nixon13,331
0.1%
R+32.3
R+15.5
R+9.1
20,165
R
37.9%Humphrey7,533
54.7%Nixon10,873
7.4%
R+16.8
R+28.4
R+16.1
19,875
D
55.8%Johnson11,187
44.2%Goldwater8,867
0.0%
D+11.6
D+27.2
R+11.0
20,054
R
42.2%Kennedy8,802
57.8%Nixon12,058
0.1%
R+15.6
D+7.8
R+15.8
20,876
R
38.3%Stevenson7,805
61.7%Eisenhower12,565
0.1%
R+23.4
R+1.5
R+8.0
20,381
R
39.0%Stevenson8,143
60.9%Eisenhower12,703
0.0%
R+21.9
R+12.8
R+11.1
20,853
R
45.3%Truman8,533
54.3%Dewey10,238
0.4%
R+9.0
D+2.4
R+13.5
18,843
R
44.2%Roosevelt8,829
55.6%Dewey11,108
0.3%
R+11.4
R+6.7
R+18.9
19,988
R
47.5%Roosevelt11,574
52.2%Willkie12,722
0.4%
R+4.7
R+12.0
R+14.7
24,382
D
53.2%Roosevelt12,745
46.0%Landon11,009
0.8%
D+7.2
R+8.7
R+17.0
23,949
D
57.5%Roosevelt13,182
41.5%Hoover9,527
1.0%
D+15.9
D+41.7
R+1.9
22,934
R
37.0%Smith7,535
62.8%Hoover12,793
0.3%
R+25.8
R+11.6
R+8.3
20,384
R
40.1%Davis7,715
54.3%Coolidge10,450
5.7%
R+14.2
D+9.4
D+11.0
19,255
R
36.7%Cox6,233
60.4%Harding10,244
2.9%
R+23.6
R+23.1
D+2.5
16,964
R
48.7%Wilson9,561
49.2%Hughes9,662
2.1%
R+0.5
R+28.8
R+3.7
19,638
D
49.7%Wilson4,989
21.4%Taft2,152
28.9%
D+28.3
D+26.0
D+8.7
10,041
D
49.1%Bryan5,369
46.8%Taft5,120
4.1%
D+2.3
D+10.0
D+11.8
10,938
R
42.5%Parker4,579
50.2%Roosevelt5,411
7.4%
R+7.7
R+10.8
D+12.0
10,783
D
50.3%Bryan5,906
47.2%McKinley5,545
2.5%
D+3.1
D+0.1
D+10.6
11,749
D
50.8%Bryan5,921
47.9%McKinley5,578
1.3%
D+2.9
R+4.8
D+9.0
11,651
D
50.5%Cleveland5,288
42.7%Harrison4,477
6.8%
D+7.7
—
D+6.1
10,479
Congressional elections · 2 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2022
R
31.4%4,121
66.4%8,708
13,110
2020
R
35.1%6,253
62.5%11,143
17,836
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Jacksonville, IL
Year
Total registered
2016
28,370
2018
27,576
2020
26,979
2022
28,842
2024
49,249
domestic migration
Who moves in and out
Net domestic migration over time
−21 net domestic migration · 2025
20112025
Net −2,747 over 2011–2025 · gain loss
Domestic migration in Jacksonville, IL in Jacksonville, IL: net domestic migration by year
Year
Net domestic migration
2011
−120
2012
−98
2013
−370
2014
−371
2015
−82
2016
−104
2017
−473
2018
−267
2019
−356
2021
−152
2022
−149
2023
−175
2024
−9
2025
−21
Jacksonville, IL sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 28.3 points in 1912 and a Republican high of 36.7 points in 2024. Between 2020 and 2024 the metro moved 1.2 points toward the Republican candidate; the 2024 margin was 36.7 points.
A population of 37,958, a 88% non-Hispanic-white share, and a median household income of $66,358 describe the metro. The metro's voting pattern over the last decade is most similar to that of New Castle, IN and Monticello, IN.
Akashic
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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.
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.
Jacksonville, IL, Illinois. Akashic. https://akashic.app/cbsa/27300/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Jacksonville, IL, Illinois voted Republican by 36.7 points (R+36.7), carried by the Republican candidate. Out of 17,264 votes cast, 5,336 went Democratic and 11,678 went Republican.
When did Jacksonville, IL, Illinois last vote Democratic?
The most recent presidential election in which Jacksonville, IL, Illinois voted Democratic was 1964.
How many people live in Jacksonville, IL, Illinois?
Jacksonville, IL, Illinois has a population of 37,958 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Jacksonville, IL, Illinois?
Median household income in Jacksonville, IL, Illinois is $66,358 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Jacksonville, IL, Illinois?
Akashic tracks 34 presidential elections in Jacksonville, IL, Illinois from 1892 to 2024. Of those, 8 went Democratic and 26 went Republican.
