Union County, NJ

NJ · Presidential Elections 1892–2024

D+24.1
2024 Margin
R+11.8%
2020→2024 Swing
D since 1992
Voting Streak
579K
Population

Union County, NJ (New Jersey) voted D+24.1 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 147,327 votes (60.9%) to 89,063 (36.81%) for Trump.

This represents a R+11.8% swing toward Republicans compared to 2020. Union County is classified as a solid Democratic county. Union County has voted Democratic in every presidential election since 1992. The county has a population of approximately 579,290.

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Quick Stats

2024 ResultD+24.1
2020→2024 SwingR+11.8%
Voting StreakD since 1992
Elections on Record34

Demographics

Population579,290
Median Age
39.1(US: 38.7)
College (BA+)
38.9%(US: 35.2%)
Median Income
$103,202(US: $80k)
White (non-Hisp)
36.3%(US: 57.6%)
Hispanic
35.2%(US: 19.1%)
Black
20.4%(US: 12.2%)
Asian
5.6%(US: 5.7%)
Homeownership
57.4%(US: 64.5%)
Poverty Rate
9.2%(US: 12.3%)
Veterans
2.5%(US: 6.2%)
Non-English (CVAP)
36.1%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
35.0%(Above Average)
Evangelical
6.0%(Below Average)
Mainline Protestant
4.3%
Black Protestant
2.5%
Jewish
1.3%(Unique Concentration)
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Italian
9.0%Above Average(1.9x)
Irish
7.0%
German
4.9%
Puerto Rican
4.8%Significant Hub(2.9x)
West Indian
4.6%Major Concentration(5.0x)
American Heritage
4.0%
+ 7 more reported ancestry groups

Age Distribution

Median:39.1 yrs(US: 38.5)
Under 18
23.5%
18-29
8.3%↓
30-44
19.6%
45-64
33.5%↑
65+
15.1%
National average

Employment by Industry

Census ACS
Professional & Technical
12.9%
Retail Trade
9.6%
Manufacturing
8.8%(0.9x US)
Construction
7.1%
Educational Services
6.8%(0.8x US)
Healthcare & Social Services
4.8%
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202460.9%(147,327)36.8%(89,063)D+24.1R+11.8
202067.6%(170,310)31.8%(80,038)D+35.9D+0.4
201665.9%(147,414)30.5%(68,114)D+35.5D+1.5
201266.5%(139,752)32.5%(68,314)D+34.0D+5.8
200863.7%(141,417)35.5%(78,768)D+28.2D+10.1
200458.7%(119,372)40.5%(82,517)D+18.1R+5.2
200060.1%(112,003)36.8%(68,554)D+23.3D+1.1
199656.8%(108,102)34.6%(65,912)D+22.2D+17.9
199246.0%(96,671)41.8%(87,742)D+4.3D+13.8
198844.8%(93,158)54.3%(112,967)R+9.5D+9.4

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Union County, NJ • 1892–2024

D+R++60+40+200-20-40-6018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202462.1%(138,186)35.6%(79,183)D+26.5R+10.0
202067.4%(166,937)31.0%(76,639)D+36.5D+5.3
201864.2%(117,937)33.1%(60,758)D+31.1R+0.7
201465.0%(68,051)33.2%(34,741)D+31.8D+3.4
201363.8%(48,991)35.3%(27,152)D+28.4R+7.1
201266.9%(125,635)31.4%(58,929)D+35.5D+10.6
200861.5%(116,201)36.6%(69,069)D+25.0D+7.6
200657.6%(75,166)40.3%(52,496)D+17.4D+0.2
200257.7%(70,085)40.6%(49,243)D+17.2D+7.6
200053.7%(93,879)44.1%(77,111)D+9.6R+6.9

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202567.1%(124,470)32.1%(59,646)D+34.9D+2.3
201765.2%(79,113)32.6%(39,552)D+32.6D+36.4
201347.4%(53,869)51.2%(58,135)R+3.8R+12.7
200951.1%(68,867)42.1%(56,769)D+9.0R+12.2
200559.2%(77,982)38.0%(50,036)D+21.2R+0.6
200160.3%(79,682)38.4%(50,780)D+21.9D+21.2
199747.2%(69,673)46.6%(68,721)D+0.6D+0.5
199348.8%(76,552)48.7%(76,359)D+0.1R+24.4
198961.2%(89,419)36.7%(53,636)D+24.5D+72.7
198525.1%(35,060)73.3%(102,411)R+48.2R+40.3

Source: Official state election returns via MIT Election Data + Science Lab

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