| Kamala Harris ✓Democratic | 58.3% | 4,776 |
|---|---|---|
| Donald TrumpRepublican | 39.7% | 3,248 |
| OtherAll other candidates | 2.0% | 166 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +21.3% |
| 2012 | +14.3% |
| 2016 | +16.0% |
| 2020 | +22.2% |
| 2024 | +18.7% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 58.3%Harris4,776 | 39.7%Trump3,248 | 2.0% | 8,190 | ||
| D | 60.0%Biden5,290 | 37.8%Trump3,330 | 2.2%incl. Jorgensen | 8,816 | ||
| D | 54.4%Clinton4,102 | 38.4%Trump2,894 | 7.3%incl. Johnson | 7,543 | ||
| D | 57.1%Obama3,790 | 42.9%Romney2,844 | 0.0% | 6,634 | ||
| D | 60.0%Obama4,041 | 38.6%McCain2,603 | 1.4% | 6,739 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | MontgomeryCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 57.9% | 61.0% | 61.0% |
| Black | 8.0% | 13.6% | 12.2% |
| Asian | 2.3% | 6.0% | 6.0% |
| Two or more races | 20.3% | 10.9% | 12.6% |
| Other race | 11.5% | 8.6% | 8.2% |
| Hispanic or Latino | 32.1% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $103,734 | $83,390 | $84,427 |
| Poverty rate | 6.7% | 11.8% | 12.5% |
| Median age | 35.3 | 39.1 | 39.1 |
| Age 18–24 | 8.9% | 9.1% | 9.2% |
| Age 65 and older | 13.5% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 37.5% | 37.9% | 35.6% |
| Speaks a non-English language at home | 27.2% | 24.1% | 22.3% |
| Spanish | 21.1% | 14.0% | 13.6% |
| Other Indo-European | 2.0% | 2.6% | 2.0% |
| Russian, Polish, or other Slavic | 1.1% | 2.5% | 0.7% |
| Ancestry | |||
| Largest ancestry | Mexican 23.6% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | German 18.8% | Mexican 14.4% | Mexican 11.3% |
| 3rd-largest ancestry | Irish 11.3% | Irish 10.6% | English 9.5% |
| Religion | |||
| Catholic | 26.2%County context | 24.2% | 18.6% |
| Evangelical Protestant | 6.8%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 57.0%County context | 49.2% | 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.
Montgomery sits in the Upper Midwest. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 22.2 points in 2020. Between 2020 and 2024 the city moved 3.6 points toward the Republican candidate; the 2024 margin was 18.7 points.
A population of 21,515, a 58% non-Hispanic-white share, and a median household income of $103,734 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 →
Montgomery, Illinois. Akashic. https://akashic.app/city/1750218/. Accessed May 20, 2026. License: CC BY 4.0.