akashic
1876–2024
Chicago-Naperville, IL-IN-WI·Illinois

Chicago-Naperville, IL-IN-WI has voted Democratic in nine straight presidential elections — D+22.3 in 2024.

2008 — 2024·5 elections
IL
2024 presidential election
Chicago-Naperville, IL-IN-WI
HarrisD+22.3
2024 presidential margin by county for Chicago-Naperville, IL-IN-WI, ILA map of the constituent counties of Chicago-Naperville, IL-IN-WI, IL, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Grundy County, IL · R+29.5Newton County, IN · R+57.0Jasper County, IN · R+54.2Kane County, IL · D+9.3Lake County, IL · D+20.7Porter County, IN · R+10.5Kendall County, IL · D+1.5DeKalb County, IL · D+2.0DuPage County, IL · D+13.1McHenry County, IL · R+5.3Kankakee County, IL · R+20.8Kenosha County, WI · R+6.2LaPorte County, IN · R+14.1Putnam County, IL · R+22.8Bureau County, IL · R+24.3LaSalle County, IL · R+18.5Will County, IL · D+1.6Cook County, IL · D+41.6Lake County, IN · D+5.6
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic60.0%2,567,289
Donald TrumpRepublican37.7%1,613,641
OtherAll other candidates2.2%95,167
D+60
R+60
19 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 timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: +22.3% in 2024.flipped D · 1992+22.3%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892+6.9%
1896−20.5%
1900−10.2%
1904−35.2%
1908−21.9%
1912+11.0%
1916−11.5%
1920−51.2%
1924−44.1%
1928−10.6%
1932+10.8%
1936+22.8%
1940+6.4%
1944+10.1%
1948+4.2%
1952−5.9%
1956−18.8%
1960+6.6%
1964+20.6%
1968+1.3%
1972−15.8%
1976−0.1%
1980−1.4%
1984−9.0%
1988−0.2%
1992+16.4%
1996+23.4%
2000+19.8%
2004+19.5%
2008+34.6%
2012+27.9%
2016+31.1%
2020+29.9%
2024+22.3%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+22.3%
2,567,2891,613,6414,276,097
D
+29.9%
2,956,1621,572,6564,621,789
D
+31.1%
2,637,9171,323,3654,221,955
D
+27.9%
2,487,6091,387,3113,939,000
D
+34.6%
2,759,2271,327,4294,133,103
D
+19.5%
2,300,7041,543,9603,871,795
D
+19.8%
2,016,4641,335,2203,445,976
D
+23.4%
1,775,8571,052,7313,086,281
D
+16.4%
1,823,3411,223,1953,653,003
R
−0.2%
1,638,8131,646,8233,310,824
R
−9.0%
1,578,4981,892,2663,490,999
R
−1.4%
1,542,1051,590,5983,432,996
R
−0.1%
1,672,8231,676,8343,413,808
R
−15.8%
1,434,8311,976,8113,430,045
D
+1.3%
1,549,2711,507,1403,360,782
D
+20.6%
2,062,9051,358,4593,422,593
D
+6.6%
1,812,8241,588,1393,409,764
R
−18.8%
1,256,4151,840,2753,104,418
R
−5.9%
1,474,0491,660,0833,143,027
D
+4.2%
1,473,4091,354,7382,851,404
D
+10.1%
1,544,0041,259,3322,814,181
D
+6.4%
1,452,8761,277,9812,742,182
D
+22.8%
1,541,528956,5142,571,267
D
+10.8%
1,171,664935,8542,176,485
R
−10.6%
887,0461,099,6962,001,979
R
−44.1%
275,867916,3421,453,156
R
−51.2%
247,811848,2591,172,193
R
−11.5%
470,838598,5971,113,406
O
+11.0%
178,269113,419589,167
R
−21.9%
203,768329,320574,181
R
−35.2%
138,739327,416536,306
R
−10.2%
239,174295,479549,831
R
−20.5%
203,295310,396522,162
D
+6.9%
197,502171,100380,557
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Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorChicago-Naperville, IL-IN-WICombined statistical areaUnited StatesNation
Race & Ethnicity
White54.3%61.0%
Black15.6%12.2%
Asian7.0%6.0%
Two or more races12.5%12.6%
Other race10.7%8.2%
Hispanic or Latino23.4%19.3%
Income & Age
Median household income$90,970$84,427
Poverty rate11.3%12.5%
Median age38.739.1
Age 18–248.9%9.2%
Age 65 and older16.2%17.2%
Education & Language
Speaks a non-English language at home29.4%22.3%
Ancestry
Largest ancestryGerman 13.3%German 12.5%
2nd-largest ancestryIrish 10.2%English 9.5%
3rd-largest ancestryPolish 7.8%Irish 9.4%
Religion
Catholic28.2%18.6%
Evangelical Protestant8.3%16.5%
Unaffiliated or unclaimed48.1%51.5%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
13.3%
Irish
10.2%
Polish
7.8%
Italian
6.1%
English
5.1%
American
2.5%
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: 38.7 in this county, 39.1 nationally
Male
Age
Female
0.7%
85+
1.2%
2.0%
75–84
2.7%
4.5%
65–74
5.1%
6.2%
55–64
6.4%
6.3%
45–54
6.3%
6.9%
35–44
6.8%
7.1%
25–34
7.0%
4.5%
18–24
4.4%
8.4%
5–17
8.1%
2.8%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$90,970
Chicago-Naperville, IL-IN-WI ranks near the middle of US counties.
Chicago-Naperville, IL-IN-WI$90,970
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
11.3%
Children face moderate poverty.
Children under 1815.0%
Working age (18–64)10.1%
Seniors (65+)11.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
70.6%
speak English only
Spanish17.5%
Other Indo-European6.9%
Asian & Pacific Islander3.6%
Other languages1.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic
28.2%
Evangelical Protestant
8.3%
Muslim
4.5%
Mainline Protestant
3.9%
Black Protestant
3.5%
Other Christian
0.8%
Orthodox Christian
0.7%
Jewish
0.7%
Hindu
0.4%
Buddhist
0.4%
Latter-day Saints
0.3%
Other faiths
0.1%
Unaffiliated or not counted48.1%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Chicago-Naperville, IL-IN-WI sits in the Upper Midwest. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 34.6 points in 2008 and a Republican high of 51.2 points in 1920. Between 2020 and 2024 the region moved 7.6 points toward the Republican candidate; the 2024 margin was 22.3 points.

A population of 9,905,766, a 54% non-Hispanic-white share, and a median household income of $90,970 describe the region.

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.
Chicago-Naperville, IL-IN-WI, Illinois. Akashic. https://akashic.app/csa/176/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Chicago-Naperville, IL-IN-WI, Illinois vote in 2024?
In 2024, Chicago-Naperville, IL-IN-WI, Illinois voted Democratic by 22.3 points (D+22.3), carried by the Democratic candidate. Out of 4,276,097 votes cast, 2,567,289 went Democratic and 1,613,641 went Republican.
What is Chicago-Naperville, IL-IN-WI, Illinois's political typology?
Akashic places Chicago-Naperville, IL-IN-WI, 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 region has voted Democratic 18 times, Republican 15 times, and other 1 times.
When did Chicago-Naperville, IL-IN-WI, Illinois last vote Republican?
The most recent presidential election in which Chicago-Naperville, IL-IN-WI, Illinois voted Republican was 1988.
How many people live in Chicago-Naperville, IL-IN-WI, Illinois?
Chicago-Naperville, IL-IN-WI, Illinois has a population of 9,905,766 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Chicago-Naperville, IL-IN-WI, Illinois?
Median household income in Chicago-Naperville, IL-IN-WI, Illinois is $90,970 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Chicago-Naperville, IL-IN-WI, Illinois?
Akashic tracks 38 presidential elections in Chicago-Naperville, IL-IN-WI, Illinois from 1876 to 2024. Of those, 18 went Democratic and 15 went Republican. The region's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.