† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
20 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
GroupChampaign & Springfield-DecaturIllinoisUnited States
German21.1%16.1%12.5%
English11.8%6.9%9.5%
Irish10.7%10.6%9.4%
American5.8%3.3%5.3%
Italian2.9%5.4%4.8%
Polish1.7%6.0%2.2%
French1.6%0.7%1.6%
Scottish1.5%—1.3%
African American†8.6%12.1%9.9%
African0.3%0.5%0.5%
Mexican3.1%14.4%11.3%
Puerto Rican0.4%1.7%1.8%
Chinese1.1%1.0%1.3%
Asian Indian0.8%2.1%1.4%
Filipino0.4%1.0%0.9%
Korean0.3%0.4%0.4%
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
Champaign & Springfield-Decatur
Illinois
United States
Median age
38.9
39.1
39.1
Age 18–24
11.7%
9.1%
9.2%
Age 65 and older
18.9%
16.9%
17.2%
Household economy
Measure
Champaign & Springfield-Decatur
Illinois
United States
Median household income
$67,564
$83,390
$84,427
Poverty rate
14.5%
11.8%
12.5%
Bachelor's degree or higher (25+)
30.7%
37.9%
35.6%
Languages at home
Measure
Champaign & Springfield-Decatur
Illinois
United States
Speaks a non-English language at home
8.0%
24.1%
22.3%
Spanish
3.1%
14.0%
13.6%
Chinese (incl. Mandarin & Cantonese)
1.0%
0.9%
1.1%
Religious landscape
Measure
Champaign & Springfield-Decatur
Illinois
United States
Catholic
11.1%
24.2%
18.6%
Evangelical Protestant
20.6%
11.7%
16.5%
Unclaimed / not counted
55.9%
49.2%
51.5%
Mainline Protestant
8.4%
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.
Champaign & Springfield-Decatur, Illinois
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1892
+2.5%
1896
−4.6%
1900
−4.7%
1904
−19.4%
1908
−8.8%
1912
+16.0%
1916
−5.5%
1920
−29.4%
1924
−24.5%
1928
−27.1%
1932
+16.7%
1936
+11.1%
1940
−2.5%
1944
−8.7%
1948
−8.1%
1952
−18.8%
1956
−22.4%
1960
−13.2%
1964
+13.6%
1968
−12.9%
1972
−27.1%
1976
−6.4%
1980
−23.9%
1984
−23.1%
1988
−10.2%
1992
+6.0%
1996
+1.2%
2000
−10.2%
2004
−17.1%
2008
−1.0%
2012
−13.8%
2016
−18.7%
2020
−17.5%
2024
−18.7%
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
39.7%Harris173,032
58.3%Trump254,394
2.0%
R+18.7
R+1.1
R+17.2
436,123
R
40.0%Biden184,537
57.5%Trump265,381
2.5%
R+17.5
D+1.2
R+22.0
461,405
R
37.1%Clinton162,272
55.8%Trump244,324
7.1%
R+18.7
R+5.0
R+20.8
437,834
R
41.9%Obama174,032
55.7%Romney231,169
2.3%
R+13.8
R+12.8
R+17.6
414,882
R
48.7%Obama213,615
49.6%McCain217,839
1.7%
R+1.0
D+16.1
R+8.2
439,033
R
41.0%Kerry178,397
58.1%Bush252,532
0.9%
R+17.1
R+6.9
R+14.6
434,641
R
43.3%Gore176,670
53.4%Bush218,149
3.3%
R+10.2
R+11.4
R+10.7
408,478
D
45.5%Clinton176,086
44.3%Dole171,387
10.2%
D+1.2
R+4.8
R+7.3
387,086
D
43.4%Clinton192,303
37.4%Bush165,656
19.2%
D+6.0
D+16.3
D+0.5
443,213
R
44.6%Dukakis176,734
54.8%Bush217,369
0.6%
R+10.2
D+12.8
R+2.5
396,508
R
38.2%Mondale160,922
61.3%Reagan258,080
0.4%
R+23.1
D+0.8
R+4.9
420,839
R
34.1%Carter142,340
58.0%Reagan241,970
7.9%
R+23.9
R+17.5
R+14.1
417,121
R
46.1%Carter190,415
52.5%Ford216,869
1.5%
R+6.4
D+20.8
R+8.5
413,442
R
36.2%McGovern145,696
63.4%Nixon254,958
0.4%
R+27.1
R+14.2
R+4.0
402,451
R
38.7%Humphrey150,222
51.7%Nixon200,448
9.6%
R+12.9
R+26.6
R+12.3
387,901
D
56.8%Johnson225,856
43.2%Goldwater171,722
0.0%
D+13.6
D+26.8
R+9.0
397,594
R
43.3%Kennedy176,706
56.5%Nixon230,634
0.2%
R+13.2
D+9.1
R+13.4
408,245
R
38.8%Stevenson150,827
61.1%Eisenhower237,761
0.1%
R+22.4
R+3.6
R+6.9
388,959
R
40.5%Stevenson157,629
59.3%Eisenhower230,622
0.1%
R+18.8
R+10.7
R+8.0
388,728
R
45.5%Truman150,122
53.6%Dewey176,756
0.9%
R+8.1
D+0.6
R+12.6
329,811
R
45.4%Roosevelt157,540
54.1%Dewey187,623
0.5%
R+8.7
R+6.1
R+16.2
346,764
R
48.5%Roosevelt196,854
51.0%Willkie207,156
0.6%
R+2.5
R+13.6
R+12.5
406,260
D
54.6%Roosevelt209,411
43.6%Landon167,009
1.8%
D+11.1
R+5.7
R+13.2
383,406
D
57.5%Roosevelt202,686
40.8%Hoover143,681
1.7%
D+16.7
D+43.8
R+1.0
352,323
R
36.1%Smith113,068
63.2%Hoover197,842
0.7%
R+27.1
R+2.6
R+9.6
313,013
R
30.4%Davis85,901
54.9%Coolidge155,011
14.7%
R+24.5
D+4.9
D+0.7
282,333
R
32.8%Cox85,555
62.2%Harding162,117
5.0%
R+29.4
R+23.9
R+3.2
260,676
R
45.3%Wilson131,733
50.7%Hughes147,609
4.0%
R+5.5
R+21.4
R+8.6
291,010
D
41.4%Wilson61,909
25.4%Taft37,976
33.2%
D+16.0
D+24.8
R+3.6
149,633
R
43.2%Bryan68,511
52.0%Taft82,469
4.8%
R+8.8
D+10.6
D+0.8
158,624
R
36.6%Parker54,404
56.0%Roosevelt83,337
7.5%
R+19.4
R+14.8
D+0.2
148,839
R
46.4%Bryan73,493
51.1%McKinley80,915
2.5%
R+4.7
R+0.1
D+2.9
158,408
R
46.8%Bryan71,750
51.5%McKinley78,831
1.7%
R+4.6
R+7.1
D+1.5
153,216
D
47.9%Cleveland63,915
45.5%Harrison60,637
6.6%
D+2.5
—
D+0.8
133,367
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Champaign & Springfield-Decatur
Year
Total registered
2016
664,126
2018
632,726
2020
675,113
2022
641,949
2024
654,861
domestic migration
Who moves in and out
Net domestic migration over time
−2,796 net domestic migration · 2025
20112025
Net −84,273 over 2011–2025 · gain loss
Domestic migration in Champaign & Springfield-Decatur in Champaign & Springfield-Decatur: net domestic migration by year
Year
Net domestic migration
2011
−2,864
2012
−5,332
2013
−6,350
2014
−6,900
2015
−6,812
2016
−7,241
2017
−8,851
2018
−9,072
2019
−8,353
2021
−2,775
2022
−7,449
2023
−5,343
2024
−4,135
2025
−2,796
The market pairs the University of Illinois's student and faculty population in Champaign-Urbana with the government-worker concentration around Springfield, producing two distinct voter pools that rarely move in lockstep.
Across the recorded series it reached a Democratic high of 16.7 points in 1932 and a Republican high of 29.4 points in 1920. Between 2020 and 2024 the market moved 1.1 points toward the Republican candidate; the 2024 margin was 18.7 points.
A population of 932,060, a 78% non-Hispanic-white share, and a median household income of $67,564 describe the market. The market's voting pattern over the last decade is most similar to that of South Bend-Elkhart and Indianapolis.
Akashic
Political twins — media markets
The media markets 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.
Champaign & Springfield-Decatur, Illinois. Akashic. https://akashic.app/dma/648/. Accessed May 20, 2026. License: CC BY 4.0.
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How did Champaign & Springfield-Decatur, Illinois vote in 2024?
In 2024, Champaign & Springfield-Decatur, Illinois voted Republican by 18.7 points (R+18.7), carried by the Republican candidate. Out of 436,123 votes cast, 173,032 went Democratic and 254,394 went Republican.
When did Champaign & Springfield-Decatur, Illinois last vote Democratic?
The most recent presidential election in which Champaign & Springfield-Decatur, Illinois voted Democratic was 1996.
How many people live in Champaign & Springfield-Decatur, Illinois?
Champaign & Springfield-Decatur, Illinois has a population of 932,060 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Champaign & Springfield-Decatur, Illinois?
Median household income in Champaign & Springfield-Decatur, Illinois is $67,564 — below the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Champaign & Springfield-Decatur, Illinois?
Akashic tracks 34 presidential elections in Champaign & Springfield-Decatur, Illinois from 1892 to 2024. Of those, 7 went Democratic and 27 went Republican.
