| Kamala Harris ✓Democratic | 52.9% | 12,475 |
|---|---|---|
| Donald TrumpRepublican | 45.2% | 10,661 |
| OtherAll other candidates | 1.9% | 459 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +11.3% |
| 2012 | +7.2% |
| 2016 | +2.8% |
| 2020 | +9.4% |
| 2024 | +7.7% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 12,475 | 10,661 | 23,595 | ||
| D | 12,808 | 10,549 | 23,940 | ||
| D | 10,052 | 9,460 | 21,355 | ||
| D | 10,700 | 9,261 | 19,961 | ||
| D | 10,491 | 8,323 | 19,124 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | MarionCity | IowaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 87.6% | 84.2% | 61.0% |
| Black | 2.6% | 3.9% | 12.2% |
| Asian | 2.1% | 2.5% | 6.0% |
| Two or more races | 6.3% | 6.6% | 12.6% |
| Other race | 1.3% | 2.9% | 8.2% |
| Hispanic or Latino | 2.8% | 7.3% | 19.3% |
| Income & Age | |||
| Median household income | $86,743 | $75,059 | $84,427 |
| Poverty rate | 8.2% | 11.1% | 12.5% |
| Median age | 40.6 | 38.8 | 39.1 |
| Age 18–24 | 9.0% | 10.0% | 9.2% |
| Age 65 and older | 17.3% | 18.1% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 38.1% | 31.4% | 35.7% |
| Speaks a non-English language at home | 3.7% | 9.1% | 22.3% |
| Spanish | 1.3% | 4.7% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 30.3% | German 30.5% | German 12.5% |
| 2nd-largest ancestry | Irish 14.0% | Irish 12.8% | English 9.5% |
| 3rd-largest ancestry | English 11.5% | English 10.2% | Irish 9.4% |
| Religion | |||
| Catholic | 17.2%County context | 14.7% | 18.6% |
| Evangelical Protestant | 12.0%County context | 10.9% | 16.5% |
| Unaffiliated or unclaimed | 55.1%County context | 55.2% | 51.5% |
| Mainline Protestant | 11.2%County context | 15.8% | 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.
Marion sits in the Corn Belt. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 11.3 points in 2008. Between 2020 and 2024 the city moved 1.7 points toward the Republican candidate; the 2024 margin was 7.7 points.
A population of 41,896, a 88% non-Hispanic-white share, and a median household income of $86,743 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 →
Marion, Iowa. Akashic. https://akashic.app/city/1949485/. Accessed May 20, 2026. License: CC BY 4.0.