Union County, New Jersey
| Kamala Harris ✓Democratic | 61.2% | 147,327 |
|---|---|---|
| Donald TrumpRepublican | 37.0% | 89,063 |
| Jill SteinGreen | 0.7% | 1,595 |
| Year | Margin (D minus R) |
|---|---|
| 1892 | +4.6% |
| 1896 | −29.6% |
| 1900 | −22.9% |
| 1904 | −22.8% |
| 1908 | −27.2% |
| 1912 | +17.0% |
| 1916 | −22.6% |
| 1920 | −50.3% |
| 1924 | −48.1% |
| 1928 | −28.9% |
| 1932 | −13.1% |
| 1936 | +8.5% |
| 1940 | −6.1% |
| 1944 | −6.4% |
| 1948 | −12.7% |
| 1952 | −21.9% |
| 1956 | −36.4% |
| 1960 | −1.3% |
| 1964 | +32.9% |
| 1968 | −0.3% |
| 1972 | −23.8% |
| 1976 | −5.1% |
| 1980 | −12.1% |
| 1984 | −18.9% |
| 1988 | −9.5% |
| 1992 | +4.2% |
| 1996 | +22.2% |
| 2000 | +23.3% |
| 2004 | +18.1% |
| 2008 | +28.2% |
| 2012 | +34.0% |
| 2016 | +35.5% |
| 2020 | +35.9% |
| 2024 | +24.2% |
Union County sits at the urban-suburban seam of northeastern New Jersey, blending Elizabeth's heavily immigrant working-class wards with older bedroom communities like Westfield, producing a consistent Democratic tilt that has widened as college-educated suburbs have shifted leftward.
Across the recorded series it reached a Democratic high of 35.9 points in 2020 and a Republican high of 50.3 points in 1920. Between 2020 and 2024 the county moved 11.6 points toward the Republican candidate; the 2024 margin was 24.2 points.
A population of 579,290, a 35% non-Hispanic-white share, and a median household income of $103,202 describe the county. The county's voting pattern over the last decade is most similar to that of Westchester County and Leflore County.
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Union County, New Jersey. Akashic. https://akashic.app/county/34039/. Accessed May 20, 2026. License: CC BY 4.0.