Illinois — Elections 1876–2024

Illinois: state. In 2024, voted D+11%. Republican peak: R+42 in 1920.

Key facts

2024 presidential margin: D+11MIT Election Lab
Political typology: Akashic typology
Population: 12,694,7982024 5-year
Median household income: $83,3902024 5-year
White (non-Hispanic): 61.0%2024 5-year
Black: 13.6%2024 5-year
Hispanic / Latino: 18.8%2024 5-year
Peak Democratic margin: D+25 in 2008MIT Election Lab
Peak Republican margin: R+42 in 1920MIT Election Lab

2024 presidential election

Illinois

HarrisD+11

—

How it voted

Share of the 2024 vote

Kamala Harris ✓Democratic	54.4%	3,062,864
Donald TrumpRepublican	43.5%	2,449,079
OtherAll other candidates	2.2%	121,368

D+60

R+60

102 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

Presidential margin over time
Year	Margin (D minus R)
1876	No data
1880	No data
1884	No data
1888	No data
1892	+3.1%
1896	−13.0%
1900	−8.4%
1904	−28.3%
1908	−15.5%
1912	+13.2%
1916	−9.2%
1920	−42.3%
1924	−35.5%
1928	−14.7%
1932	+13.2%
1936	+18.0%
1940	+2.4%
1944	+3.5%
1948	+0.8%
1952	−9.9%
1956	−19.2%
1960	+0.2%
1964	+18.9%
1968	−2.9%
1972	−18.5%
1976	−2.0%
1980	−7.9%
1984	−12.9%
1988	−2.1%
1992	+14.2%
1996	+17.5%
2000	+12.0%
2004	+10.3%
2008	+25.1%
2012	+16.8%
2016	+16.9%
2020	+16.9%
2024	+10.9%

DemocraticRepublican

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+10.9%	3,062,864	2,449,079	5,633,311
2020	D	+16.9%	3,471,915	2,446,891	6,051,510
2016	D	+16.9%	3,090,729	2,146,015	5,595,279
2012	D	+16.8%	3,019,512	2,135,216	5,251,432
2008	D	+25.1%	3,419,348	2,031,179	5,522,371
2004	D	+10.3%	2,891,550	2,345,946	5,274,322
2000	D	+12.0%	2,589,026	2,019,421	4,742,123
1996	D	+17.5%	2,341,744	1,587,021	4,311,391
1992	D	+14.2%	2,453,350	1,734,096	5,050,157
1988	R	−2.1%	2,215,940	2,310,939	4,559,120
1984	R	−12.9%	2,086,499	2,707,103	4,819,088
1980	R	−7.9%	1,981,413	2,358,049	4,749,721
1976	R	−2.0%	2,271,295	2,364,269	4,718,833
1972	R	−18.5%	1,913,472	2,788,179	4,723,236
1968	R	−2.9%	2,039,814	2,174,774	4,619,749
1964	D	+18.9%	2,796,833	1,905,946	4,702,841
1960	D	+0.2%	2,377,846	2,368,988	4,757,409
1956	R	−19.2%	1,775,682	2,623,327	4,407,407
1952	R	−9.9%	2,013,920	2,457,327	4,481,058
1948	D	+0.8%	1,994,715	1,961,103	3,984,046
1944	D	+3.5%	2,079,479	1,939,314	4,035,881
1940	D	+2.4%	2,149,934	2,047,240	4,217,935
1936	D	+18.0%	2,282,999	1,570,393	3,956,522
1932	D	+13.2%	1,882,304	1,432,756	3,407,926
1928	R	−14.7%	1,313,817	1,769,141	3,107,489
1924	R	−35.5%	576,975	1,453,321	2,470,067
1920	R	−42.3%	534,395	1,420,480	2,094,714
1916	R	−9.2%	950,229	1,152,549	2,190,219
1912	O	+13.2%	405,048	253,593	1,146,173
1908	R	−15.5%	450,810	629,932	1,155,254
1904	R	−28.3%	327,606	632,645	1,076,499
1900	R	−8.4%	503,061	597,985	1,131,898
1896	R	−13.0%	465,613	607,130	1,090,869
1892	D	+3.1%	426,280	399,288	873,557
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	D %	R %	Total
2022	O	0.0%	41.5%	4,098,896
2020	D	54.9%	38.9%	5,968,901
2016	D	54.9%	39.8%	5,491,878
2014	D	53.5%	42.7%	3,603,519
2010	R	46.4%	48.0%	3,704,473
2008	D	67.8%	28.5%	5,329,884
2004	D	70.0%	27.0%	5,141,520
2002	D	60.3%	38.0%	3,486,851
1998	R	47.4%	50.3%	3,394,521
1996	D	56.1%	40.7%	4,250,722
1992	D	53.3%	43.1%	4,939,558
1990	D	65.1%	34.9%	3,251,005
1986	D	65.1%	33.7%	3,122,883
1984	D	50.1%	48.2%	4,787,335
1980	D	56.0%	42.5%	4,580,029
1978	R	45.5%	53.3%	3,184,764

Demographics

2024 ACS

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

German

16.1%

Irish

10.6%

English

6.9%

Polish

6.0%

Italian

5.4%

American

3.3%

French

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: 39.1 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

2.1%

75–84

2.8%

4.7%

65–74

5.3%

6.3%

55–64

6.5%

6.2%

45–54

6.2%

6.7%

35–44

6.6%

6.9%

25–34

6.8%

4.6%

18–24

4.5%

8.4%

5–17

8.0%

2.8%

2.7%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Median household income

Inflation-adjusted dollars

$83,390

Illinois ranks near the middle of US counties.

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

11.8%

Children face moderate poverty.

Children under 1815.3%

Working age (18–64)10.9%

Seniors (65+)11.3%

Source · American Community Survey 5-year estimates, 2024 release.

2024 ACS

Language at home

Population aged 5 and older

75.9%

speak English only

Spanish14.0%

Other Indo-European5.7%

Asian & Pacific Islander3.1%

Other languages1.2%

Source · ACS 5-year estimates, 2024.

2020 religion census

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

24.6%

Other Christian

7.8%

Non-Christian

5.0%

Mainline Protestant

4.8%

Baptist

4.3%

Methodist

2.2%

Pentecostal & Holiness

2.1%

Source · 2020 US Religion Census. Remaining 49.2% of residents not counted as adherents by any reporting body.

Illinois sits in the Upper Midwest. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of twenty-five points in 2008 and a Republican high of forty-two points in 1920. Between 2020 and 2024 the state moved six points toward the Republican candidate; the 2024 margin was eleven points.

A population of 12,694,798, a 61% non-Hispanic-white share, and a median household income of $83,390 describe the state.

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.

Illinois. Akashic. https://akashic.app/state/IL/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Illinois vote in 2024?

In 2024, Illinois voted Democratic by 10.9 points (D+11), carried by the Democratic candidate. Out of 5,633,311 votes cast, 3,062,864 went Democratic and 2,449,079 went Republican.

What is Illinois's political typology?

Akashic places Illinois in the "" 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 state has voted Democratic 17 times, Republican 16 times, and other 1 times.

When did Illinois last vote Republican?

The most recent presidential election in which Illinois voted Republican was 1988.

How many people live in Illinois?

Illinois has a population of 12,694,798 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Illinois?

Median household income in Illinois is $83,390 — above the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Illinois?

Akashic tracks 38 presidential elections in Illinois from 1876 to 2024. Of those, 17 went Democratic and 16 went Republican. The state's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.

Cook County, IL	R +193,953
Will County, IL	R +16,765
Lake County, IL	D +9,815

Illinois has voted Democratic in nine straight presidential elections — D+11 in 2024.

Key facts

U.S. Senate

Demographics

Compare two places, side by side

Frequently asked questions