Middlesex County, NJ

NJ · Presidential Elections 1892–2024

D+8.0
2024 Margin
R+14.2%
2020→2024 Swing
D since 1992
Voting Streak
871K
Population

Middlesex County, NJ (New Jersey) voted D+8.0 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 191,802 votes (52.31%) to 162,459 (44.31%) for Trump.

This represents a R+14.2% swing toward Republicans compared to 2020. Middlesex County is classified as a lean Democratic county. Middlesex County has voted Democratic in every presidential election since 1992. The county has a population of approximately 871,290.

Quick Stats

2024 ResultD+8.0
2020→2024 SwingR+14.2%
Voting StreakD since 1992
Elections on Record34

Demographics

Population871,290
Median Age
39.5(US: 38.7)
College (BA+)
45.6%(US: 35.2%)
Median Income
$111,549(US: $80k)
White (non-Hisp)
38.8%(US: 57.6%)
Hispanic
23.6%(US: 19.1%)
Black
9.8%(US: 12.2%)
Asian
25.0%(US: 5.7%)
Homeownership
63.6%(US: 64.5%)
Poverty Rate
8.6%(US: 12.3%)
Veterans
3.0%(US: 6.2%)
Non-English (CVAP)
38.4%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
29.8%(Above Average)
Evangelical
4.1%(Below Average)
Mainline Protestant
3.1%
Jewish
1.2%(Major Center)
Black Protestant
0.9%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Italian
9.8%Above Average(2.0x)
Irish
7.8%
Puerto Rican
5.0%Significant Hub(3.0x)
German
4.9%
Polish
4.7%Above Average(1.9x)
Mexican
3.3%
+ 6 more reported ancestry groups

Age Distribution

Median:39.5 yrs(US: 38.5)
Under 18
21.5%
18-29
9.4%↓
30-44
19.8%
45-64
33.2%↑
65+
16.1%
National average

Employment by Industry

Census ACS
Professional & Technical
15.9%(1.3x US)
Retail Trade
10.3%
Manufacturing
9.5%
Educational Services
5.5%(0.6x US)
Construction
4.7%(0.7x US)
Healthcare & Social Services
3.7%(0.8x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202452.3%(191,802)44.3%(162,459)D+8.0R+14.2
202060.8%(226,250)38.5%(143,467)D+22.2D+0.9
201658.8%(193,044)37.4%(122,953)D+21.3R+6.2
201263.1%(190,555)35.5%(107,310)D+27.6D+5.7
200860.4%(193,812)38.5%(123,695)D+21.8D+8.3
200456.3%(166,628)42.8%(126,492)D+13.6R+10.2
200059.9%(154,998)36.1%(93,545)D+23.7R+0.6
199656.2%(145,201)31.9%(82,433)D+24.3D+17.2
199245.2%(128,824)38.1%(108,701)D+7.1D+17.0
198844.4%(117,149)54.3%(143,422)R+9.9D+10.7

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

Presidential Margin Trend

Middlesex County, NJ • 1892–2024

D+R++40+200-20-4018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202454.9%(188,482)41.0%(140,676)D+13.9R+9.7
202060.6%(221,802)37.0%(135,398)D+23.6D+4.0
201858.2%(148,806)38.6%(98,764)D+19.6R+1.9
201460.0%(83,732)38.4%(53,679)D+21.5D+4.8
201357.8%(61,362)41.1%(43,644)D+16.7R+12.0
201263.4%(178,686)34.7%(97,730)D+28.7D+7.4
200859.5%(175,284)38.2%(112,590)D+21.3D+1.9
200658.2%(103,198)38.7%(68,734)D+19.4R+0.3
200258.6%(98,019)39.0%(65,128)D+19.7D+8.3
200054.1%(132,476)42.7%(104,652)D+11.4R+4.3

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202562.5%(174,038)36.6%(101,830)D+25.9D+9.0
201757.2%(100,847)40.3%(70,940)D+17.0D+35.0
201340.3%(70,225)58.3%(101,619)R+18.0R+15.6
200945.0%(89,732)47.4%(94,506)R+2.4R+19.2
200556.0%(107,176)39.2%(75,021)D+16.8R+10.1
200162.7%(117,061)35.7%(66,749)D+26.9D+14.1
199752.2%(110,354)39.3%(83,149)D+12.9D+12.3
199349.0%(105,679)48.4%(104,381)D+0.6R+27.2
198962.9%(120,157)35.1%(67,054)D+27.8D+60.6
198533.1%(56,815)65.8%(113,020)R+32.7R+35.9

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

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