| Kamala Harris ✓Democratic | 68.8% | 14,549 |
|---|---|---|
| Donald TrumpRepublican | 28.6% | 6,043 |
| OtherAll other candidates | 2.6% | 559 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +25.2% |
| 2012 | +23.7% |
| 2016 | +38.1% |
| 2020 | +45.0% |
| 2024 | +40.2% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 68.8%Harris14,549 | 28.6%Trump6,043 | 2.6% | 21,151 | ||
| D | 72.0%Biden15,756 | 27.0%Trump5,907 | 1.0%incl. Jorgensen | 21,871 | ||
| D | 65.7%Clinton15,071 | 27.6%Trump6,338 | 6.6%incl. Johnson | 22,934 | ||
| D | 61.9%Obama12,300 | 38.1%Romney7,585 | 0.0% | 19,885 | ||
| D | 62.1%Obama11,829 | 36.9%McCain7,034 | 1.0% | 19,060 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | OlneyCity | MarylandState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 56.9% | 48.2% | 61.0% |
| Black | 14.5% | 29.4% | 12.2% |
| Asian | 11.6% | 6.6% | 6.0% |
| Two or more races | 12.7% | 8.5% | 12.6% |
| Other race | 4.3% | 7.4% | 8.2% |
| Hispanic or Latino | 12.1% | 12.5% | 19.3% |
| Income & Age | |||
| Median household income | $171,458 | $103,678 | $84,427 |
| Poverty rate | 4.3% | 9.5% | 12.5% |
| Median age | 41.6 | 39.5 | 39.1 |
| Age 18–24 | 7.7% | 8.5% | 9.2% |
| Age 65 and older | 17.0% | 16.6% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 60.6% | 43.5% | 35.6% |
| Speaks a non-English language at home | 43.0% | 21.1% | 22.3% |
| Spanish | 17.7% | 9.6% | 13.6% |
| Other Indo-European | 5.6% | 2.5% | 2.0% |
| Other languages | 4.9% | 2.5% | 0.8% |
| Chinese (incl. Mandarin & Cantonese) | 3.7% | 1.2% | 1.1% |
| Ancestry | |||
| Largest ancestry | German 7.9% | German 11.4% | German 12.5% |
| 2nd-largest ancestry | Irish 7.6% | Irish 9.3% | Mexican 11.3% |
| 3rd-largest ancestry | English 7.0% | English 8.5% | English 9.5% |
| Religion | |||
| Catholic | 27.7%County context | 14.7% | 18.6% |
| Evangelical Protestant | 8.7%County context | 11.2% | 16.5% |
| Unaffiliated or unclaimed | 46.5%County context | 56.6% | 51.5% |
| Mainline Protestant | 6.1%County context | 6.6% | 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.
Olney sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 45.0 points in 2020. Between 2020 and 2024 the city moved 4.8 points toward the Republican candidate; the 2024 margin was 40.2 points.
A population of 35,797, a 57% non-Hispanic-white share, and a median household income of $171,458 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 →
Olney, Maryland. Akashic. https://akashic.app/city/2458900/. Accessed May 20, 2026. License: CC BY 4.0.