Congressional District 4 Congressional District (IL) — Elections 1876–2024

Illinois 4th Congressional District, Illinois: Democratic loyalist district. In 2024, voted D+39%. Democratic peak: D+50 in 2016.

Key facts

2024 presidential margin: D+39MIT Election Lab
Political archetype: Democratic loyalistAkashic typology
Population: 489,2322024 5-year
Median household income: $85,6672024 5-year
White (non-Hispanic): 45.2%2024 5-year
Black: 20.9%2024 5-year
Hispanic / Latino: 26.0%2024 5-year
Peak Democratic margin: D+50 in 2008MIT Election Lab
Peak Republican margin: R+49 in 1920MIT Election Lab

2024 results by constituent county

2 counties · 2 D · 0 R

R+60

D+60

One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.

38 presidential elections

Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year	Won	Margin	Democratic	Republican	Total
2024	D	+39.0%	136,340	58,571	199,638
2020	D	+47.4%	161,808	56,433	222,348
2016	D	+49.9%	149,760	46,188	207,414
2012	D	+45.3%	137,829	51,018	191,791
2008	D	+49.9%	151,253	49,881	203,166
2004	D	+36.9%	132,798	60,857	194,866
2000	D	+35.6%	117,811	54,659	177,334
1996	D	+36.0%	105,797	46,839	163,594
1992	D	+26.6%	113,589	59,924	202,093
1988	D	+9.0%	102,349	85,349	189,307
1984	R	−0.6%	99,925	101,158	202,242
1980	D	+9.4%	100,869	82,008	200,086
1976	D	+6.3%	105,901	93,141	202,951
1972	R	−9.3%	95,043	114,566	210,798
1968	D	+7.7%	105,001	88,784	211,337
1964	D	+25.0%	136,757	82,094	218,851
1960	D	+11.7%	122,022	96,478	219,146
1956	R	−14.9%	86,234	116,494	203,242
1952	R	−1.6%	103,190	106,573	210,340
1948	D	+8.2%	106,767	90,453	198,431
1944	D	+15.2%	112,018	82,345	194,908
1940	D	+10.3%	102,672	83,503	186,907
1936	D	+27.0%	110,200	62,311	177,379
1932	D	+13.4%	80,940	61,241	147,027
1928	R	−6.7%	62,912	71,968	135,920
1924	R	−41.8%	19,806	60,786	98,090
1920	R	−49.2%	17,314	55,909	78,521
1916	R	−6.8%	33,297	38,397	74,762
1912	O	+13.0%	11,493	6,576	37,774
1908	R	−18.8%	13,427	20,282	36,498
1904	R	−32.2%	9,109	20,216	34,522
1900	R	−4.6%	16,322	17,932	35,239
1896	R	−18.5%	13,338	19,518	33,358
1892	D	+12.6%	12,702	9,805	22,997
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

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

German

9.5%

Irish

8.7%

Polish

7.2%

Italian

5.2%

English

3.8%

American

2.2%

French

0.9%

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.

Age distribution by sex

Median age: 38.2 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

1.9%

75–84

2.7%

4.3%

65–74

5.1%

6.0%

55–64

6.3%

6.1%

45–54

6.2%

7.0%

35–44

7.0%

7.8%

25–34

7.9%

4.3%

18–24

4.4%

8.0%

5–17

7.7%

2.8%

2.7%

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

Median household income

2024 inflation-adjusted dollars

$85,667

Congressional District 4 ranks near the middle of US counties.

Congressional District 4$85,667

Illinois$83,390

United States$80,734

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

Poverty rate

All persons below federal poverty line

13.0%

Children face moderate poverty.

Children under 1817.1%

Working age (18–64)11.7%

Seniors (65+)13.6%

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

Language at home

Population aged 5 and older

64.7%

speak English only

Spanish20.4%

Other Indo-European8.5%

Asian & Pacific Islander4.4%

Other languages2.0%

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

30.2%

Non-Christian

7.8%

Other Christian

6.5%

Baptist

4.5%

Mainline Protestant

3.2%

Pentecostal & Holiness

1.7%

Methodist

1.1%

Source · 2020 US Religion Census. Remaining 45.1% of residents not counted as adherents by any reporting body.

Illinois 4th Congressional District sits in the Upper Midwest. Its political identity has been Democratic for as long as anyone now living can remember. 1 consecutive presidential elections in modern records have gone for the Democratic candidate, often by margins that would be considered landslide territory anywhere else.

The Democratic margin in Illinois 4th Congressional District reached its widest at fifty points in 2016. The margin in 2024 was thirty-nine points — still decisive.

Its loyalty is rooted in its place. Median household income of $85,667, a 45% non-Hispanic-white share, and a population of 489,232 together describe a district whose political habits are deeply settled.

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Congressional District 4, Illinois — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cd/1704/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

Frequently asked questions

How did Congressional District 4, Illinois vote in 2024?

In 2024, Congressional District 4, Illinois voted Democratic by 39.0 points (D+39), carried by the Democratic candidate. Out of 199,638 votes cast, 136,340 went Democratic and 58,571 went Republican.

What is Congressional District 4, Illinois's political archetype?

Akashic classifies Congressional District 4, Illinois as a "Democratic loyalist" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 21 times, Republican 12 times, and other 1 times.

When did Congressional District 4, Illinois last vote Republican?

The most recent presidential election in which Congressional District 4, Illinois voted Republican was 1984.

How many people live in Congressional District 4, Illinois?

Congressional District 4, Illinois has a population of 489,232 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Congressional District 4, Illinois?

Median household income in Congressional District 4, Illinois is $85,667 — above the national median of $80,734. The Illinois state median is $83,390.

What is the political history of Congressional District 4, Illinois?

Akashic tracks 38 presidential elections in Congressional District 4, Illinois from 1876 to 2024. Of those, 21 went Democratic and 12 went Republican. The district's archetype — "Democratic loyalist" — captures the overall trajectory of that voting record.

Illinois 4th Congressional District has voted Democratic in ten straight presidential cycles.

Key facts

Demographics

Frequently asked questions