Champaign&Sprngfld-Decatur, Illinois: Industrial Catholic Metro market. In 2024, voted R+19%. Republican peak: R+29 in 1920.
Key facts
- 2024 presidential margin
- R+19MIT Election Lab
- Political typology
- Industrial Catholic MetroAkashic typology
- Population
- 932,0602024 5-year
- Median household income
- $67,5642024 5-year
- White (non-Hispanic)
- 79.5%2024 5-year
- Black
- 9.4%2024 5-year
- Hispanic / Latino
- 4.8%2024 5-year
- Peak Democratic margin
- D+17 in 1932MIT Election Lab
- Peak Republican margin
- R+29 in 1920MIT Election Lab
2024 presidential election
Champaign&Sprngfld-Decatur
TrumpR+19
How it voted
Share of the 2024 vote
| Donald Trump ✓Republican | 58.3% | 254,394 |
|---|---|---|
| Kamala HarrisDemocratic | 39.7% | 173,032 |
| OtherAll other candidates | 2.0% | 8,697 |
D+60R+60
20 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 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
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 173,032 | 254,394 | 436,123 | ||
| R | 184,537 | 265,381 | 461,405 | ||
| R | 162,272 | 244,324 | 437,834 | ||
| R | 174,032 | 231,169 | 414,882 | ||
| R | 213,615 | 217,839 | 439,033 | ||
| R | 178,397 | 252,532 | 434,641 | ||
| R | 176,670 | 218,149 | 408,478 | ||
| D | 176,086 | 171,387 | 387,086 | ||
| D | 192,303 | 165,656 | 443,213 | ||
| R | 176,734 | 217,369 | 396,508 | ||
| R | 160,922 | 258,080 | 420,839 | ||
| R | 142,340 | 241,970 | 417,121 | ||
| R | 190,415 | 216,869 | 413,442 | ||
| R | 145,696 | 254,958 | 402,451 | ||
| R | 150,222 | 200,448 | 387,901 | ||
| D | 225,856 | 171,722 | 397,594 | ||
| R | 176,706 | 230,634 | 408,245 | ||
| R | 150,827 | 237,761 | 388,959 | ||
| R | 157,629 | 230,622 | 388,728 | ||
| R | 150,122 | 176,756 | 329,811 | ||
| R | 157,540 | 187,623 | 346,764 | ||
| R | 196,854 | 207,156 | 406,260 | ||
| D | 209,411 | 167,009 | 383,406 | ||
| D | 202,686 | 143,681 | 352,323 | ||
| R | 113,068 | 197,842 | 313,013 | ||
| R | 85,901 | 155,011 | 282,333 | ||
| R | 85,555 | 162,117 | 260,676 | ||
| R | 131,733 | 147,609 | 291,010 | ||
| D | 61,909 | 37,976 | 149,633 | ||
| R | 68,511 | 82,469 | 158,624 | ||
| R | 54,404 | 83,337 | 148,839 | ||
| R | 73,493 | 80,915 | 158,408 | ||
| R | 71,750 | 78,831 | 153,216 | ||
| D | 63,915 | 60,637 | 133,367 | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
21.1%
English
11.8%
Irish
10.7%
American
5.8%
Italian
2.8%
Polish
1.6%
Scottish
1.2%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 38.9 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$67,564
Champaign&Sprngfld-Decatur ranks near the middle of US counties.
Champaign&Sprngfld-Decatur$67,564
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
14.5%
Children face moderate poverty.
Children under 1816.3%
Working age (18–64)14.4%
Seniors (65+)8.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
92.0%
speak English only
Spanish3.1%
Asian & Pacific Islander2.3%
Other Indo-European2.3%
Other languages0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.8% of residents not counted as adherents by any reporting body.
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 seventeen points in 1932 and a Republican high of twenty-nine points in 1920. Between 2020 and 2024 the market moved one point toward the Republican candidate; the 2024 margin was nineteen points.
A population of 932,060, a 80% non-Hispanic-white share, and a median household income of $67,564 describe the market.
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&Sprngfld-Decatur, Illinois. Akashic. https://akashic.app/dma/648/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did Champaign&Sprngfld-Decatur, Illinois vote in 2024?
In 2024, Champaign&Sprngfld-Decatur, Illinois voted Republican by 18.7 points (R+19), carried by the Republican candidate. Out of 436,123 votes cast, 173,032 went Democratic and 254,394 went Republican.
What is Champaign&Sprngfld-Decatur, Illinois's political typology?
Akashic places Champaign&Sprngfld-Decatur, Illinois in the "Industrial Catholic Metro" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the market has voted Democratic 7 times, Republican 27 times, and other 0 times.
When did Champaign&Sprngfld-Decatur, Illinois last vote Democratic?
The most recent presidential election in which Champaign&Sprngfld-Decatur, Illinois voted Democratic was 1996.
How many people live in Champaign&Sprngfld-Decatur, Illinois?
Champaign&Sprngfld-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&Sprngfld-Decatur, Illinois?
Median household income in Champaign&Sprngfld-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&Sprngfld-Decatur, Illinois?
Akashic tracks 38 presidential elections in Champaign&Sprngfld-Decatur, Illinois from 1876 to 2024. Of those, 7 went Democratic and 27 went Republican. The market's typology — "Industrial Catholic Metro" — captures where that record, its demographics, and its recent swing place it among American communities.