| Donald Trump ✓Republican | 50.6% | 4,098 |
|---|---|---|
| Kamala HarrisDemocratic | 47.5% | 3,847 |
| OtherAll other candidates | 1.8% | 149 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +15.2% |
| 2012 | +16.0% |
| 2016 | −0.8% |
| 2020 | +0.5% |
| 2024 | −3.1% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 3,847 | 4,098 | 8,094 | ||
| D | 4,171 | 4,129 | 8,377 | ||
| R | 3,359 | 3,416 | 6,991 | ||
| D | 4,504 | 3,262 | 7,766 | ||
| D | 4,041 | 2,964 | 7,107 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | WilliamstownCity | New JerseyState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 77.4% | 54.0% | 61.0% |
| Black | 10.7% | 12.8% | 12.2% |
| Asian | 1.2% | 10.1% | 6.0% |
| Two or more races | 9.6% | 12.4% | 12.6% |
| Other race | 1.0% | 10.7% | 8.2% |
| Hispanic or Latino | 5.5% | 22.5% | 19.3% |
| Income & Age | |||
| Median household income | $89,414 | $103,556 | $84,427 |
| Poverty rate | 8.3% | 9.7% | 12.5% |
| Median age | 42.7 | 40.3 | 39.1 |
| Age 18–24 | 9.8% | 8.4% | 9.2% |
| Age 65 and older | 16.8% | 17.1% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 29.6% | 43.6% | 35.7% |
| Speaks a non-English language at home | 4.6% | 33.1% | 22.3% |
| Other Indo-European | 1.4% | 5.6% | 2.0% |
| Spanish | 1.3% | 17.2% | 13.6% |
| German or other West Germanic | 1.0% | 0.4% | 0.5% |
| Ancestry | |||
| Largest ancestry | Irish 24.5% | Italian 13.7% | German 12.5% |
| 2nd-largest ancestry | Italian 22.3% | Irish 12.1% | English 9.5% |
| 3rd-largest ancestry | German 16.2% | German 8.6% | Irish 9.4% |
| Religion | |||
| Catholic | 39.9%County context | 32.0% | 18.6% |
| Evangelical Protestant | 9.9%County context | 5.1% | 16.5% |
| Unaffiliated or unclaimed | 40.7%County context | 47.8% | 51.5% |
| Mainline Protestant | 5.4%County context | 4.2% | 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.
Williamstown sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 16.0 points in 2012 and a Republican high of 3.1 points in 2024. Between 2020 and 2024 the city moved 3.6 points toward the Republican candidate; the 2024 margin was 3.1 points.
A population of 14,705, a 77% non-Hispanic-white share, and a median household income of $89,414 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 →
Williamstown, New Jersey. Akashic. https://akashic.app/city/3481380/. Accessed May 20, 2026. License: CC BY 4.0.