| Donald Trump ✓Republican | 51.6% | 6,311 |
|---|---|---|
| Kamala HarrisDemocratic | 46.1% | 5,648 |
| OtherAll other candidates | 2.3% | 283 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −14.0% |
| 2012 | −24.3% |
| 2016 | −12.5% |
| 2020 | −7.9% |
| 2024 | −5.4% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 5,648 | 6,311 | 12,242 | ||
| R | 5,597 | 6,577 | 12,370 | ||
| R | 4,284 | 5,610 | 10,584 | ||
| R | 3,607 | 5,923 | 9,530 | ||
| R | 3,952 | 5,260 | 9,337 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | FrankfortCity | IllinoisState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 76.1% | 61.0% | 61.0% |
| Black | 10.3% | 13.6% | 12.2% |
| Asian | 2.6% | 6.0% | 6.0% |
| Two or more races | 9.9% | 10.9% | 12.6% |
| Other race | 1.2% | 8.6% | 8.2% |
| Hispanic or Latino | 7.0% | 18.8% | 19.3% |
| Income & Age | |||
| Median household income | $154,375 | $83,390 | $84,427 |
| Poverty rate | 3.2% | 11.8% | 12.5% |
| Median age | 42.2 | 39.1 | 39.1 |
| Age 18–24 | 9.0% | 9.1% | 9.2% |
| Age 65 and older | 14.7% | 16.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 59.3% | 37.8% | 35.7% |
| Speaks a non-English language at home | 10.6% | 24.0% | 22.3% |
| Spanish | 3.9% | 14.0% | 13.6% |
| Other Indo-European | 2.0% | 2.6% | 2.0% |
| Russian, Polish, or other Slavic | 1.4% | 2.5% | 0.7% |
| German or other West Germanic | 1.0% | 0.3% | 0.5% |
| Ancestry | |||
| Largest ancestry | German 16.5% | German 16.1% | German 12.5% |
| 2nd-largest ancestry | Irish 12.9% | Irish 10.6% | English 9.5% |
| 3rd-largest ancestry | Polish 10.4% | English 6.9% | Irish 9.4% |
| Religion | |||
| Catholic | 24.8%County context | 24.2% | 18.6% |
| Evangelical Protestant | 10.4%County context | 11.7% | 16.5% |
| Unaffiliated or unclaimed | 56.7%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.
Frankfort sits in the Upper Midwest. In 2024 it voted Republican.
Across the recorded series it reached a Republican high of 24.3 points in 2012. Between 2020 and 2024 the city moved 2.5 points toward the Democratic candidate; the 2024 margin was 5.4 points.
A population of 20,651, a 76% non-Hispanic-white share, and a median household income of $154,375 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 →
Frankfort, Illinois. Akashic. https://akashic.app/city/1727624/. Accessed May 20, 2026. License: CC BY 4.0.