| Kamala Harris ✓Democratic | 73.6% | 19,910 |
|---|---|---|
| Donald TrumpRepublican | 23.6% | 6,377 |
| OtherAll other candidates | 2.8% | 756 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +44.5% |
| 2012 | +48.2% |
| 2016 | +56.3% |
| 2020 | +58.6% |
| 2024 | +50.0% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 73.6%Harris19,910 | 23.6%Trump6,377 | 2.8% | 27,043 | ||
| D | 78.9%Biden21,900 | 20.3%Trump5,627 | 0.9%incl. Jorgensen | 27,770 | ||
| D | 75.3%Clinton19,440 | 19.0%Trump4,911 | 5.7%incl. Johnson | 25,815 | ||
| D | 74.1%Obama18,303 | 25.9%Romney6,393 | 0.0% | 24,696 | ||
| D | 71.6%Obama16,149 | 27.1%McCain6,115 | 1.3% | 22,547 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | GaithersburgCity | MarylandState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 32.6% | 48.2% | 61.0% |
| Black | 15.0% | 29.4% | 12.2% |
| Asian | 20.4% | 6.6% | 6.0% |
| Two or more races | 11.2% | 8.5% | 12.6% |
| Other race | 20.5% | 7.4% | 8.2% |
| Hispanic or Latino | 30.5% | 12.5% | 19.3% |
| Income & Age | |||
| Median household income | $112,467 | $103,678 | $84,427 |
| Poverty rate | 8.8% | 9.5% | 12.5% |
| Median age | 37.8 | 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.
Gaithersburg sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 58.6 points in 2020. Between 2020 and 2024 the city moved 8.6 points toward the Republican candidate; the 2024 margin was 50.0 points.
A population of 69,825, a 33% non-Hispanic-white share, and a median household income of $112,467 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 →
Gaithersburg, Maryland. Akashic. https://akashic.app/city/2431175/. Accessed May 20, 2026. License: CC BY 4.0.