| Donald Trump ✓Republican | 70.5% | 1,881 |
|---|---|---|
| Kamala HarrisDemocratic | 28.1% | 750 |
| OtherAll other candidates | 1.3% | 36 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +3.6% |
| 2012 | −14.5% |
| 2016 | −40.8% |
| 2020 | −36.3% |
| 2024 | −42.4% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 750 | 1,881 | 2,667 | ||
| R | 770 | 1,671 | 2,485 | ||
| R | 515 | 1,293 | 1,908 | ||
| R | 1,010 | 1,353 | 2,363 | ||
| D | 1,088 | 1,012 | 2,136 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | HerculaneumCity | MissouriState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 79.8% | 77.5% | 61.0% |
| Black | 7.2% | 11.0% | 12.2% |
| Asian | 0.3% | 2.1% | 6.0% |
| Two or more races | 12.0% | 7.1% | 12.6% |
| Other race | 0.7% | 2.3% | 8.2% |
| Hispanic or Latino | 3.9% | 5.2% | 19.3% |
| Income & Age | |||
| Median household income | $93,438 | $70,702 | $84,427 |
| Poverty rate | 5.6% | 12.6% | 12.5% |
| Median age | 40.4 | 39.2 | 39.1 |
| Age 18–24 | 7.4% | 9.2% | 9.2% |
| Age 65 and older | 16.6% | 17.9% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 23.0% | 32.4% | 35.7% |
| Speaks a non-English language at home | 1.3% | 6.7% | 22.3% |
| Spanish | 1.1% | 2.9% | 13.6% |
| Ancestry | |||
| Largest ancestry | German 29.2% | German 21.3% | German 12.5% |
| 2nd-largest ancestry | Irish 14.6% | English 11.9% | English 9.5% |
| 3rd-largest ancestry | English 11.3% | Irish 11.8% | Irish 9.4% |
| Religion | |||
| Catholic | 14.7%County context | 12.5% | 18.6% |
| Evangelical Protestant | 17.0%County context | 24.1% | 16.5% |
| Unaffiliated or unclaimed | 64.9%County context | 51.7% | 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.
Herculaneum sits in the Border South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 3.6 points in 2008 and a Republican high of 42.4 points in 2024. Between 2020 and 2024 the city moved 6.1 points toward the Republican candidate; the 2024 margin was 42.4 points.
A population of 5,071, a 80% non-Hispanic-white share, and a median household income of $93,438 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 →
Herculaneum, Missouri. Akashic. https://akashic.app/city/2931708/. Accessed May 20, 2026. License: CC BY 4.0.