† 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
GroupCentralia, ILIllinoisUnited States
German24.2%16.1%12.5%
English13.6%6.9%9.5%
Irish12.3%10.6%9.4%
American8.0%3.3%5.3%
Polish2.3%6.0%2.2%
Italian1.8%5.4%4.8%
Scottish1.2%—1.3%
Dutch1.2%——
African American†2.7%12.1%9.9%
Mexican1.3%14.4%11.3%
Puerto Rican0.3%1.7%1.8%
Honduran0.2%0.2%0.3%
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
Centralia, IL
Illinois
United States
Median age
41.5
39.1
39.1
Age 18–24
7.1%
9.1%
9.2%
Age 65 and older
20.1%
16.9%
17.2%
Household economy
Measure
Centralia, IL
Illinois
United States
Median household income
$61,240
$83,390
$84,427
Poverty rate
15.4%
11.8%
12.5%
Bachelor's degree or higher (25+)
16.8%
37.9%
35.6%
Languages at home
Measure
Centralia, IL
Illinois
United States
Speaks a non-English language at home
2.5%
24.1%
22.3%
Spanish
1.5%
14.0%
13.6%
Religious landscape
Measure
Centralia, IL
Illinois
United States
Catholic
5.1%
24.2%
18.6%
Evangelical Protestant
37.9%
11.7%
16.5%
Unclaimed / not counted
48.6%
49.2%
51.5%
Mainline Protestant
5.4%
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.
Centralia, IL
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+6.6%
1896
+14.2%
1900
+9.6%
1904
−10.4%
1908
+7.1%
1912
+24.2%
1916
+9.7%
1920
−17.8%
1924
−8.4%
1928
−21.8%
1932
+26.0%
1936
+12.9%
1940
+13.7%
1944
+3.4%
1948
+6.4%
1952
−7.4%
1956
−11.7%
1960
−9.9%
1964
+27.3%
1968
−2.2%
1972
−21.3%
1976
+5.9%
1980
−21.3%
1984
−19.5%
1988
−0.6%
1992
+20.7%
1996
+11.4%
2000
−1.0%
2004
−10.0%
2008
−2.0%
2012
−19.1%
2016
−43.8%
2020
−46.6%
2024
−49.5%
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
24.6%Harris4,116
74.0%Trump12,409
1.4%
R+49.5
R+2.9
R+48.0
16,762
R
25.9%Biden4,524
72.5%Trump12,678
1.7%
R+46.6
R+2.8
R+51.1
17,494
R
25.6%Clinton4,369
69.4%Trump11,859
5.1%
R+43.8
R+24.7
R+45.9
17,098
R
39.3%Obama6,225
58.5%Romney9,248
2.2%
R+19.1
R+17.1
R+23.0
15,820
R
48.1%Obama8,345
50.1%McCain8,691
1.9%
R+2.0
D+8.0
R+9.3
17,364
R
44.7%Kerry7,694
54.7%Bush9,413
0.7%
R+10.0
R+8.9
R+7.5
17,224
R
48.4%Gore8,068
49.5%Bush8,240
2.1%
R+1.0
R+12.4
R+1.6
16,663
D
49.4%Clinton7,792
38.1%Dole5,999
12.5%
D+11.4
R+9.3
D+2.9
15,763
D
51.2%Clinton9,669
30.5%Bush5,764
18.3%
D+20.7
D+21.3
D+15.1
18,883
R
49.5%Dukakis8,592
50.0%Bush8,695
0.5%
R+0.6
D+18.9
D+7.1
17,373
R
40.1%Mondale7,599
59.6%Reagan11,300
0.2%
R+19.5
D+1.8
R+1.3
18,945
R
37.4%Carter6,990
58.7%Reagan10,969
3.8%
R+21.3
R+27.2
R+11.6
18,678
D
52.5%Carter9,834
46.6%Ford8,729
0.8%
D+5.9
D+27.2
D+3.8
18,720
R
39.2%McGovern6,968
60.6%Nixon10,755
0.2%
R+21.3
R+19.1
D+1.8
17,754
R
43.8%Humphrey7,737
46.1%Nixon8,134
10.1%
R+2.2
R+29.6
R+1.6
17,649
D
63.7%Johnson12,363
36.3%Goldwater7,060
0.0%
D+27.3
D+37.2
D+4.7
19,423
R
45.0%Kennedy9,116
54.9%Nixon11,121
0.1%
R+9.9
D+1.8
R+10.1
20,250
R
44.1%Stevenson8,551
55.8%Eisenhower10,813
0.1%
R+11.7
R+4.3
D+3.7
19,385
R
46.3%Stevenson9,317
53.6%Eisenhower10,804
0.1%
R+7.4
R+13.8
D+3.4
20,140
D
52.6%Truman8,878
46.2%Dewey7,798
1.2%
D+6.4
D+3.0
D+1.9
16,884
D
51.3%Roosevelt10,079
47.9%Dewey9,408
0.8%
D+3.4
R+10.3
R+4.1
19,640
D
56.4%Roosevelt13,807
42.7%Willkie10,461
0.8%
D+13.7
D+0.8
D+3.7
24,476
D
55.6%Roosevelt10,820
42.8%Landon8,321
1.6%
D+12.9
R+13.1
R+11.4
19,446
D
62.1%Roosevelt10,791
36.1%Hoover6,276
1.8%
D+26.0
D+47.8
D+8.2
17,380
R
38.7%Smith5,823
60.5%Hoover9,110
0.8%
R+21.8
R+13.5
R+4.4
15,052
R
35.6%Davis4,768
44.0%Coolidge5,889
20.4%
R+8.4
D+9.5
D+16.8
13,381
R
34.2%Cox4,351
52.1%Harding6,620
13.7%
R+17.8
R+27.6
D+8.3
12,715
D
52.7%Wilson7,892
43.0%Hughes6,438
4.2%
D+9.7
R+14.4
D+6.6
14,964
D
44.3%Wilson3,493
20.1%Taft1,586
35.6%
D+24.2
D+17.1
D+4.6
7,892
D
50.2%Bryan4,001
43.1%Taft3,435
6.6%
D+7.1
D+17.5
D+16.7
7,963
R
36.9%Parker2,490
47.3%Roosevelt3,190
15.9%
R+10.4
R+20.0
D+9.3
6,751
D
53.5%Bryan3,928
43.9%McKinley3,221
2.6%
D+9.6
R+4.6
D+17.2
7,340
D
56.5%Bryan3,835
42.3%McKinley2,870
1.1%
D+14.2
D+7.6
D+20.3
6,782
D
46.5%Cleveland2,709
39.9%Harrison2,324
13.6%
D+6.6
—
D+4.9
5,827
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
26.4%3,407
71.7%9,272
12,926
2020
R
29.7%5,122
67.9%11,718
17,254
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Centralia, IL
Year
Total registered
2016
27,725
2018
28,147
2020
26,532
2022
26,691
2024
27,622
domestic migration
Who moves in and out
Net domestic migration over time
+2 net domestic migration · 2025
20112025
Net −2,638 over 2011–2025 · gain loss
Domestic migration in Centralia, IL in Centralia, IL: net domestic migration by year
Year
Net domestic migration
2011
−213
2012
−148
2013
−327
2014
−131
2015
−212
2016
−302
2017
−254
2018
−292
2019
−176
2021
−115
2022
−300
2023
−103
2024
−67
2025
+2
Centralia, IL sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 27.3 points in 1964 and a Republican high of 49.5 points in 2024. Between 2020 and 2024 the metro moved 2.9 points toward the Republican candidate; the 2024 margin was 49.5 points.
A population of 37,000, a 89% non-Hispanic-white share, and a median household income of $61,240 describe the metro. The metro's voting pattern over the last decade is most similar to that of Mount Vernon, 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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Centralia, IL, Illinois. Akashic. https://akashic.app/cbsa/16460/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Centralia, IL, Illinois voted Republican by 49.5 points (R+49.5), carried by the Republican candidate. Out of 16,762 votes cast, 4,116 went Democratic and 12,409 went Republican.
When did Centralia, IL, Illinois last vote Democratic?
The most recent presidential election in which Centralia, IL, Illinois voted Democratic was 1996.
How many people live in Centralia, IL, Illinois?
Centralia, IL, Illinois has a population of 37,000 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Centralia, IL, Illinois?
Median household income in Centralia, IL, Illinois is $61,240 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Centralia, IL, Illinois?
Akashic tracks 34 presidential elections in Centralia, IL, Illinois from 1892 to 2024. Of those, 15 went Democratic and 19 went Republican.
