| Donald Trump ✓Republican | 53.7% | 4,247 |
|---|---|---|
| Kamala HarrisDemocratic | 43.5% | 3,438 |
| OtherAll other candidates | 2.9% | 227 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −10.1% |
| 2012 | −25.0% |
| 2016 | −18.3% |
| 2020 | −11.4% |
| 2024 | −10.2% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,438 | 4,247 | 7,912 | ||
| R | 3,427 | 4,335 | 7,968 | ||
| R | 2,617 | 3,923 | 7,152 | ||
| R | 2,225 | 3,706 | 5,931 | ||
| R | 2,719 | 3,340 | 6,160 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | ChathamCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 88.7% | 61.0% | 61.0% |
| Black | 2.7% | 13.6% | 12.2% |
| Asian | 3.1% | 6.0% | 6.0% |
| Two or more races | 4.6% | 10.9% | 12.6% |
| Other race | 0.9% | 8.6% | 8.2% |
| Hispanic or Latino | 3.9% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $106,773 | $83,390 | $84,427 |
| Poverty rate | 3.3% | 11.8% | 12.5% |
| Median age | 35.4 | 39.1 | 39.1 |
| Age 18–24 | 8.0% | 9.1% | 9.2% |
| Age 65 and older | 19.4% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 53.2% | 37.8% | 35.7% |
| Speaks a non-English language at home | 5.7% | 24.0% | 22.3% |
| Other Indo-European | 2.8% | 2.6% | 2.0% |
| Spanish | 1.0% | 14.0% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 20.7% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | English 12.5% | Irish 10.6% | English 9.5% |
| 3rd-largest ancestry | Irish 12.4% | English 6.9% | Irish 9.4% |
| Religion | |||
| Catholic | 15.3%County context | 24.2% | 18.6% |
| Evangelical Protestant | 18.8%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 52.9%County context | 49.2% | 51.5% |
| Mainline Protestant | 7.7%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.
Chatham sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 25.0 points in 2012. Between 2020 and 2024 the city moved 1.2 points toward the Democratic candidate; the 2024 margin was 10.2 points.
A population of 14,639, a 89% non-Hispanic-white share, and a median household income of $106,773 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 →
Chatham, Illinois. Akashic. https://akashic.app/city/1712684/. Accessed May 20, 2026. License: CC BY 4.0.