† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 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
GroupMount Vernon, ILIllinoisUnited States
German19.2%16.1%12.5%
English14.9%6.9%9.5%
Irish10.6%10.6%9.4%
American7.1%3.3%5.3%
Polish2.8%6.0%2.2%
Italian1.9%5.4%4.8%
Scottish1.9%—1.3%
French1.5%0.7%1.6%
African American†5.7%12.1%9.9%
Mexican1.7%14.4%11.3%
Puerto Rican0.8%1.7%1.8%
Filipino0.4%1.0%0.9%
Chinese0.2%1.0%1.3%
Korean0.2%0.4%0.4%
Hmong0.1%——
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
Mount Vernon, IL
Illinois
United States
Median age
41.2
39.1
39.1
Age 18–24
7.2%
9.1%
9.2%
Age 65 and older
19.9%
16.9%
17.2%
Household economy
Measure
Mount Vernon, IL
Illinois
United States
Median household income
$63,118
$83,390
$84,427
Poverty rate
13.5%
11.8%
12.5%
Bachelor's degree or higher (25+)
18.2%
37.9%
35.6%
Languages at home
Measure
Mount Vernon, IL
Illinois
United States
Speaks a non-English language at home
3.6%
24.1%
22.3%
Spanish
1.2%
14.0%
13.6%
German or other West Germanic
1.3%
0.3%
0.5%
Religious landscape
Measure
Mount Vernon, IL
Illinois
United States
Catholic
3.5%
24.2%
18.6%
Evangelical Protestant
35.7%
11.7%
16.5%
Unclaimed / not counted
53.2%
49.2%
51.5%
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.
Mount Vernon, IL
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+7.3%
1896
+15.6%
1900
+8.3%
1904
−10.1%
1908
+2.5%
1912
+21.2%
1916
+5.1%
1920
−8.8%
1924
+7.0%
1928
−10.7%
1932
+27.7%
1936
+16.7%
1940
+11.1%
1944
+3.5%
1948
+9.4%
1952
−6.2%
1956
−8.7%
1960
−11.7%
1964
+21.4%
1968
−5.8%
1972
−19.2%
1976
+9.5%
1980
−13.5%
1984
−14.5%
1988
+0.7%
1992
+18.0%
1996
+8.9%
2000
−10.9%
2004
−20.3%
2008
−10.7%
2012
−22.8%
2016
−42.8%
2020
−45.1%
2024
−47.7%
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
25.4%Harris4,240
73.2%Trump12,189
1.4%
R+47.7
R+2.6
R+46.2
16,662
R
26.4%Biden4,608
71.6%Trump12,476
2.0%
R+45.1
R+2.4
R+49.6
17,436
R
26.0%Clinton4,425
68.8%Trump11,695
5.2%
R+42.8
R+20.0
R+44.9
16,999
R
37.3%Obama6,089
60.1%Romney9,811
2.6%
R+22.8
R+12.1
R+26.7
16,320
R
43.5%Obama7,462
54.3%McCain9,302
2.2%
R+10.7
D+9.6
R+18.0
17,141
R
39.6%Kerry6,713
59.9%Bush10,160
0.4%
R+20.3
R+9.4
R+17.9
16,948
R
43.5%Gore6,685
54.4%Bush8,362
2.0%
R+10.9
R+19.8
R+11.4
15,360
D
48.5%Clinton7,263
39.6%Dole5,937
11.9%
D+8.9
R+9.2
D+0.3
14,981
D
49.2%Clinton8,665
31.2%Bush5,497
19.5%
D+18.0
D+17.3
D+12.4
17,597
D
50.1%Dukakis7,729
49.4%Bush7,624
0.5%
D+0.7
D+15.1
D+8.4
15,426
R
42.6%Mondale7,200
57.1%Reagan9,642
0.3%
R+14.5
R+0.9
D+3.8
16,885
R
41.4%Carter6,761
54.9%Reagan8,972
3.7%
R+13.5
R+23.0
R+3.8
16,340
D
54.4%Carter8,989
44.9%Ford7,422
0.7%
D+9.5
D+28.7
D+7.4
16,520
R
40.2%McGovern6,396
59.4%Nixon9,448
0.4%
R+19.2
R+13.4
D+4.0
15,905
R
41.9%Humphrey6,476
47.6%Nixon7,367
10.5%
R+5.8
R+27.2
R+5.1
15,467
D
60.7%Johnson9,653
39.3%Goldwater6,248
0.0%
D+21.4
D+33.1
R+1.2
15,901
R
44.2%Kennedy7,784
55.8%Nixon9,841
0.0%
R+11.7
R+2.9
R+11.8
17,625
R
45.6%Stevenson8,090
54.4%Eisenhower9,637
0.0%
R+8.7
R+2.6
D+6.7
17,727
R
46.9%Stevenson8,698
53.0%Eisenhower9,841
0.1%
R+6.2
R+15.6
D+4.6
18,558
D
54.7%Truman8,928
45.3%Dewey7,393
0.0%
D+9.4
D+5.9
D+4.9
16,321
D
51.3%Roosevelt8,496
47.8%Dewey7,916
0.8%
D+3.5
R+7.6
R+4.0
16,551
D
55.2%Roosevelt10,887
44.1%Willkie8,692
0.7%
D+11.1
R+5.6
D+1.2
19,715
D
58.0%Roosevelt10,240
41.3%Landon7,290
0.8%
D+16.7
R+11.0
R+7.6
17,668
D
63.3%Roosevelt9,495
35.5%Hoover5,333
1.2%
D+27.7
D+38.4
D+9.9
15,005
R
44.4%Smith5,905
55.1%Hoover7,326
0.5%
R+10.7
R+17.7
D+6.8
13,301
D
51.6%Davis6,258
44.6%Coolidge5,406
3.8%
D+7.0
D+15.8
D+32.2
12,130
R
44.8%Cox4,772
53.6%Harding5,711
1.7%
R+8.8
R+13.9
D+17.4
10,660
D
51.4%Wilson6,685
46.4%Hughes6,028
2.2%
D+5.1
R+16.2
D+1.9
12,996
D
48.9%Wilson3,237
27.7%Taft1,834
23.3%
D+21.2
D+18.8
D+1.7
6,614
D
49.8%Bryan3,377
47.3%Taft3,210
2.9%
D+2.5
D+12.5
D+12.0
6,787
R
41.3%Parker2,462
51.3%Roosevelt3,063
7.4%
R+10.1
R+18.4
D+9.6
5,967
D
52.5%Bryan3,332
44.2%McKinley2,805
3.2%
D+8.3
R+7.3
D+15.9
6,343
D
56.9%Bryan3,588
41.3%McKinley2,603
1.8%
D+15.6
D+8.3
D+21.7
6,307
D
44.6%Cleveland2,332
37.2%Harrison1,949
18.2%
D+7.3
—
D+5.7
5,234
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
28.4%3,731
69.7%9,163
13,145
2020
R
30.0%5,099
67.1%11,399
16,983
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Mount Vernon, IL
Year
Total registered
2016
31,677
2018
25,933
2020
26,018
2022
25,355
2024
25,340
domestic migration
Who moves in and out
Net domestic migration over time
+105 net domestic migration · 2025
20112025
Net −2,033 over 2011–2025 · gain loss
Domestic migration in Mount Vernon, IL in Mount Vernon, IL: net domestic migration by year
Year
Net domestic migration
2011
−42
2012
−159
2013
−76
2014
−323
2015
−210
2016
−158
2017
−238
2018
−367
2019
−44
2021
+7
2022
−302
2023
−91
2024
−135
2025
+105
Mount Vernon anchors Jefferson County in Illinois's historically Democratic but increasingly Republican "Little Egypt" region, where deindustrialization and demographic shifts have redrawn electoral coalitions over the past two decades.
Across the recorded series it reached a Democratic high of 27.7 points in 1932 and a Republican high of 47.7 points in 2024. Between 2020 and 2024 the metro moved 2.6 points toward the Republican candidate; the 2024 margin was 47.7 points.
A population of 36,550, a 84% non-Hispanic-white share, and a median household income of $63,118 describe the metro. The metro's voting pattern over the last decade is most similar to that of Centralia, IL and Connersville, 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 →
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Mount Vernon, IL, Illinois. Akashic. https://akashic.app/cbsa/34500/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Mount Vernon, IL, Illinois voted Republican by 47.7 points (R+47.7), carried by the Republican candidate. Out of 16,662 votes cast, 4,240 went Democratic and 12,189 went Republican.
When did Mount Vernon, IL, Illinois last vote Democratic?
The most recent presidential election in which Mount Vernon, IL, Illinois voted Democratic was 1996.
How many people live in Mount Vernon, IL, Illinois?
Mount Vernon, IL, Illinois has a population of 36,550 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Mount Vernon, IL, Illinois?
Median household income in Mount Vernon, IL, Illinois is $63,118 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Mount Vernon, IL, Illinois?
Akashic tracks 34 presidential elections in Mount Vernon, IL, Illinois from 1892 to 2024. Of those, 17 went Democratic and 17 went Republican.
