New Jersey·NJ·FIPS 34041

Warren County

Voted Republican in 2024 · 60,150 votes cast

About Warren County

Warren County is a county located in the U.S. state of New Jersey. According to the 2020 census, the county was the state's 19th-most populous county, with a population of 109,632, its highest decennial count ever and an increase of 940 (+0.9%) from the 2010 census count of 108,692, which in turn reflected an increase of 6,255 (+6.1%) from 102,437 counted at the 2000 census. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 112,953, an increase of 3,321 (+3.0%) from the 2020 decennial census. The county is part of the North Jersey region of the state.

2024 Presidential Results

All candidates · Warren County, New Jersey

Donald J Trump(Republican)

59.5%35,772

Won by 12,454 votes

Kamala D Harris(Democrat)

38.8%23,318

Other(Other)

1.4%870

Chase Oliver(Libertarian)

0.3%190

Margin History

Red = Republican, Blue = Democratic

2024R+20.7

2020R+16.2

2016R+25.5

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Swung Right in 2024

Warren County shifted 4.5 points toward Republicans compared to 2020. Voter turnout decreased by 1.0%.

Warren County — Local Discussion

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What does Warren County really think?

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)