| Kamala Harris ✓Democratic | 51.5% | 4,096 |
|---|---|---|
| Donald TrumpRepublican | 45.3% | 3,599 |
| OtherAll other candidates | 3.2% | 258 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +3.9% |
| 2012 | −6.7% |
| 2016 | −4.4% |
| 2020 | +5.2% |
| 2024 | +6.2% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 4,096 | 3,599 | 7,953 | ||
| D | 4,039 | 3,631 | 7,888 | ||
| R | 3,205 | 3,528 | 7,377 | ||
| R | 3,083 | 3,525 | 6,608 | ||
| D | 3,411 | 3,154 | 6,671 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Glen CarbonCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 82.1% | 61.0% | 61.0% |
| Black | 9.3% | 13.6% | 12.2% |
| Asian | 0.7% | 6.0% | 6.0% |
| Two or more races | 7.8% | 10.9% | 12.6% |
| Other race | 0.1% | 8.6% | 8.2% |
| Hispanic or Latino | 2.1% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $97,168 | $83,390 | $84,427 |
| Poverty rate | 4.9% | 11.8% | 12.5% |
| Median age | 40.4 | 39.1 | 39.1 |
| Age 18–24 | 8.8% | 9.1% | 9.2% |
| Age 65 and older | 18.6% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 50.8% | 37.8% | 35.7% |
| Speaks a non-English language at home | 1.1% | 24.0% | 22.3% |
| Ancestry | |||
| Largest ancestry | German 26.6% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 13.3% | Irish 10.6% | English 9.5% |
| 3rd-largest ancestry | English 13.1% | English 6.9% | Irish 9.4% |
| Religion | |||
| Catholic | 15.3%County context | 24.2% | 18.6% |
| Evangelical Protestant | 20.0%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 52.2%County context | 49.2% | 51.5% |
| Mainline Protestant | 7.5%County context | 5.3% | 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.
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 →
Glen Carbon, Illinois. Akashic. https://akashic.app/city/1729639/. Accessed May 20, 2026. License: CC BY 4.0.