akashic
1876–2024
Congressional District 11·Illinois

Illinois 11th Congressional District changed direction in the last decade — D+9 in 2024.

A Chicago-anchored district where Democrats routinely post double-digit margins

1876 — 2024·38 elections
IL
Latest
D+9
in 2024
Archetype
Recent convert
since the recent cycles
Population
831,733
2024 ACS

Illinois 11th Congressional District, Illinois: Recent convert district. In 2024, voted D+9%. Republican peak: R+65 in 1920.

Key facts

2024 presidential margin
D+9MIT Election Lab
Political archetype
Recent convertAkashic typology
Population
831,7332024 5-year
Median household income
$103,9512024 5-year
White (non-Hispanic)
63.5%2024 5-year
Black
5.9%2024 5-year
Hispanic / Latino
23.9%2024 5-year
Peak Democratic margin
D+14 in 2008MIT Election Lab
Peak Republican margin
R+65 in 1920MIT Election Lab
D
FOSTER, BillCongress 119 · Democratic

Predecessors: KINZINGER, Adam (2011–2013), HALVORSON, Deborah L. (2009–2011), WELLER, Gerald C. (Jerry) (2007–2009), WELLER, Gerald C. (Jerry) (2005–2007)

Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).

2024 results by constituent county
8 counties · 6 D · 2 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).
YearWonMarginDemocraticRepublicanTotal
D
+9.1%
206,088170,926385,781
D
+14.1%
225,902168,935404,764
D
+10.9%
184,152145,361355,742
D
+3.1%
166,661156,405328,859
D
+13.7%
193,873146,639345,191
R
−7.7%
144,441168,688315,768
R
−8.9%
120,125144,351272,610
R
−3.7%
98,854107,304229,724
R
−8.8%
90,457113,162258,197
R
−29.1%
74,745136,816213,018
R
−39.4%
63,298146,499210,986
R
−30.3%
60,403122,620205,493
R
−26.6%
67,461117,927189,762
R
−38.3%
54,833123,277178,647
R
−27.1%
52,01795,348159,909
R
−3.6%
74,65380,165154,820
R
−22.6%
57,43791,124148,789
R
−42.7%
36,75091,770128,723
R
−31.6%
41,39479,691121,324
R
−23.5%
36,99459,92797,745
R
−18.0%
40,15257,90398,346
R
−19.4%
40,80160,570101,844
R
−1.9%
44,40546,13693,564
R
−7.2%
37,73543,72883,565
R
−31.7%
25,79049,93276,158
R
−59.7%
6,53240,58657,006
R
−64.9%
6,89035,92644,708
R
−33.4%
14,69430,34346,861
O
+6.5%
6,3124,66825,223
R
−40.3%
6,52916,40224,473
R
−53.0%
4,32416,29422,597
R
−32.7%
7,66415,45023,786
R
−38.4%
6,81515,60422,911
R
−11.9%
7,5469,73018,341
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Congressional elections · 16 Senate races

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
YearWonD %R %Total
2022O0.0%41.5%4,098,896
2020D54.9%38.9%5,968,901
2016D54.9%39.8%5,491,878
2014D53.5%42.7%3,603,519
2010R46.4%48.0%3,704,473
2008D67.8%28.5%5,329,884
2004D70.0%27.0%5,141,520
2002D60.3%38.0%3,486,851
1998R47.4%50.3%3,394,521
1996D56.1%40.7%4,250,722
1992D53.3%43.1%4,939,558
1990D65.1%34.9%3,251,005
1986D65.1%33.7%3,122,883
1984D50.1%48.2%4,787,335
1980D56.0%42.5%4,580,029
1978R45.5%53.3%3,184,764

Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
18.5%
Irish
12.2%
Polish
8.5%
Italian
8.3%
English
6.6%
American
2.7%
French
1.5%
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: 39.4 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.1%
2.1%
75–84
2.6%
4.6%
65–74
5.1%
6.6%
55–64
6.7%
6.6%
45–54
6.5%
6.8%
35–44
6.5%
6.3%
25–34
6.1%
4.5%
18–24
4.3%
8.9%
5–17
8.5%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$103,951
Congressional District 11 ranks near the middle of US counties.
Congressional District 11$103,951
Illinois$83,390
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
7.8%
Child poverty is below the national average.
Children under 1810.2%
Working age (18–64)7.0%
Seniors (65+)9.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
72.2%
speak English only
Spanish17.8%
Other Indo-European6.2%
Asian & Pacific Islander3.0%
Other languages0.8%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
32.4%
Other Christian
6.3%
Non-Christian
6.1%
Mainline Protestant
5.9%
Methodist
1.5%
Baptist
1.1%
Pentecostal & Holiness
0.8%
Source · 2020 US Religion Census. Remaining 46.0% of residents not counted as adherents by any reporting body.

Illinois' 11th stretches from Chicago's southwest side into DuPage County suburbs, blending dense urban precincts with working-class collar communities. The D+18.4 margin in 2024 reflects a coalition anchored by Latino voters and organized labor.

The 2008 election was the turning point, when the Democratic candidate carried the district by fourteen points. The 2024 margin was nine points, in line with the district's new direction.

The demographics suggest why. A population of 831,733, a 64% non-Hispanic-white share, and a median household income of $103,951 situate the district in the broader realignment patterns of recent cycles.

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.
Congressional District 11, Illinois. Akashic. https://akashic.app/cd/1711/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Congressional District 11, Illinois vote in 2024?
In 2024, Congressional District 11, Illinois voted Democratic by 9.1 points (D+9), carried by the Democratic candidate. Out of 385,781 votes cast, 206,088 went Democratic and 170,926 went Republican.
What is Congressional District 11, Illinois's political archetype?
Akashic classifies Congressional District 11, Illinois as a "Recent convert" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 5 times, Republican 28 times, and other 1 times.
When did Congressional District 11, Illinois last vote Republican?
The most recent presidential election in which Congressional District 11, Illinois voted Republican was 2004.
How many people live in Congressional District 11, Illinois?
Congressional District 11, Illinois has a population of 831,733 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Congressional District 11, Illinois?
Median household income in Congressional District 11, Illinois is $103,951 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Congressional District 11, Illinois?
Akashic tracks 38 presidential elections in Congressional District 11, Illinois from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican. The district's archetype — "Recent convert" — captures the overall trajectory of that voting record.