akashic
1876–2024
Glen Carbon·Illinois

Glen Carbon delivered D+6.2 in 2024.

20082024·5 elections
IL
Glen Carbon
HarrisD+6.2
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic51.5%4,096
Donald TrumpRepublican45.3%3,599
OtherAll other candidates3.2%258
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
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: +6.2% in 2024.flipped D · 2020+6.2%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+3.9%
2012−6.7%
2016−4.4%
2020+5.2%
2024+6.2%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+6.2%
4,0963,5997,953
D
+5.2%
4,0393,6317,888
R
−4.4%
3,2053,5287,377
R
−6.7%
3,0833,5256,608
D
+3.9%
3,4113,1546,671

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.
IndicatorGlen CarbonCityIllinoisStateUnited StatesNation
Race & Ethnicity
White82.1%61.0%61.0%
Black9.3%13.6%12.2%
Asian0.7%6.0%6.0%
Two or more races7.8%10.9%12.6%
Other race0.1%8.6%8.2%
Hispanic or Latino2.1%18.8%19.3%
Income & Age
Median household income$97,168$83,390$84,427
Poverty rate4.9%11.8%12.5%
Median age40.439.139.1
Age 18–248.8%9.1%9.2%
Age 65 and older18.6%16.9%17.2%
Education & Language
Bachelor's degree or higher (25+)50.8%37.8%35.7%
Speaks a non-English language at home1.1%24.0%22.3%
Ancestry
Largest ancestryGerman 26.6%German 16.1%German 12.5%
2nd-largest ancestryIrish 13.3%Irish 10.6%English 9.5%
3rd-largest ancestryEnglish 13.1%English 6.9%Irish 9.4%
Religion
Catholic15.3%County context24.2%18.6%
Evangelical Protestant20.0%County context11.7%16.5%
Unaffiliated or unclaimed52.2%County context49.2%51.5%
Mainline Protestant7.5%County context5.3%5.2%

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
26.6%
Irish
13.3%
English
13.1%
American
4.9%
Italian
4.7%
Polish
2.4%
French
2.3%
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
Language at home
Population aged 5 and older
98.9%
speak English only
Other Indo-European0.3%
Arabic0.3%
Other languages0.2%
Spanish0.1%
French (incl. Cajun & Haitian)0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Evangelical Protestant
20.0%
Catholic
15.3%
Mainline Protestant
7.5%
Black Protestant
2.1%
Muslim
1.5%
Latter-day Saints
0.6%
Other Christian
0.4%
Orthodox Christian
0.2%
Other faiths
0.1%
Buddhist
0.1%
Unaffiliated or not counted52.2%
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.

Glen Carbon sits in the Upper Midwest. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 6.2 points in 2024 and a Republican high of 6.7 points in 2012. Between 2020 and 2024 the city moved 1.1 points toward the Democratic candidate; the 2024 margin was 6.2 points.

A population of 13,977, a 82% non-Hispanic-white share, and a median household income of $97,168 describe the city.

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.
Glen Carbon, Illinois. Akashic. https://akashic.app/city/1729639/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Glen Carbon, Illinois vote in 2024?
In 2024, Glen Carbon, Illinois voted Democratic by 6.2 points (D+6.2), carried by the Democratic candidate. Out of 7,953 votes cast, 4,096 went Democratic and 3,599 went Republican.
What is Glen Carbon, Illinois's political typology?
Akashic places Glen Carbon, 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 5 elections in the dataset, the city has voted Democratic 3 times, Republican 2 times, and other 0 times.
When did Glen Carbon, Illinois last vote Republican?
The most recent presidential election in which Glen Carbon, Illinois voted Republican was 2016.
How many people live in Glen Carbon, Illinois?
Glen Carbon, Illinois has a population of 13,977 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Glen Carbon, Illinois?
Median household income in Glen Carbon, Illinois is $97,168 — above the national median of $80,734. The Illinois state median is $83,390.
What is the political history of Glen Carbon, Illinois?
Akashic tracks 5 presidential elections in Glen Carbon, Illinois from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.