akashic
1876–2024
Congressional District 11·Illinois

Illinois 11th Congressional District delivered D+11 in 2024.

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

2008 — 2024·5 elections
IL
LatestD+11in 2024
TypologyDiversifying Metrocluster typology
Population831,7332024 ACS

Illinois 11th Congressional District: Diversifying Metro district. In 2024, voted D+11%. Democratic peak: D+15 in 2020.

Key facts

2024 presidential margin
D+11MIT Election Lab
Political typology
Diversifying MetroAkashic 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+15 in 2020MIT Election Lab
DW-NOMINATE
Member ideology
D
FOSTER, BillCongress 119 · Democratic
DW-NOMINATE first-dimension (economic) score-0.24 sits at approximately the 38th percentile.0-0.24−1 liberal+1 conservative
FOSTER scores -0.24 on the first NOMINATE dimension (−1 most liberal, +1 most conservative).

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 presidential election
Congressional District 11
HarrisD+11
—
2024 presidential margin by county for Congressional District 11, ILA map of the constituent counties of Congressional District 11, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Kane County, IL · D+9DuPage County, IL · D+13McHenry County, IL · R+5Boone County, IL · R+14DeKalb County, IL · D+2Cook County, IL · D+42Lake County, IL · D+21Will County, IL · D+2
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic54.5%198,502
Donald TrumpRepublican43.2%157,427
OtherAll other candidates2.3%8,424
D+60
R+60
8 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +11.3% in 2024.+11.3%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+12.6%
2012+1.8%
2016+10.6%
2020+15.3%
2024+11.3%
DemocraticRepublican
5 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+11.3%
198,502157,427364,353
D
+15.3%
215,342157,149380,509
D
+10.6%
171,943136,537332,530
D
+1.8%
156,129150,683306,812
D
+12.6%
178,834138,307321,878
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

2024 ACS
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.
2024 ACS
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.
2024 ACS
Median household income
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.
2024 ACS
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.
2024 ACS
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.
2020 religion census
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.

Across the recorded series it reached a Democratic high of fifteen points in 2020. Between 2020 and 2024 the district moved four points toward the Republican candidate; the 2024 margin was eleven points.

A population of 831,733, a 64% non-Hispanic-white share, and a median household income of $103,951 describe the district.

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 11.3 points (D+11), carried by the Democratic candidate. Out of 364,353 votes cast, 198,502 went Democratic and 157,427 went Republican.
What is Congressional District 11, Illinois's political typology?
Akashic places Congressional District 11, Illinois in the "Diversifying 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 5 elections in the dataset, the district has voted Democratic 5 times, Republican 0 times, and other 0 times.
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 5 presidential elections in Congressional District 11, Illinois from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The district's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.