New Jersey·NJ·FIPS 34001

Atlantic County

Voted Republican in 2024 · 129,759 votes cast

About Atlantic County

Atlantic County is a county in the U.S. state of New Jersey. As of the 2020 census, the county was the state's 15th-most-populous county, with a population of 274,534, a drop of 15 from the 2010 census count of 274,549. The United States Census Bureau's Population Estimates Program estimated a 2025 population of 278,657, an increase of 4,123 (+1.5%) from the 2020 decennial census. Its county seat is the Mays Landing section of Hamilton Township. The county is part of the Jersey Shore region of the state.

2024 Presidential Results

All candidates · Atlantic County, New Jersey

Donald J Trump(Republican)

50.7%65,817

Won by 3,938 votes

Kamala D Harris(Democrat)

47.7%61,879

Other(Other)

1.4%1,775

Chase Oliver(Libertarian)

0.2%288

Margin History

Red = Republican, Blue = Democratic

2024R+3.0

2020D+6.7

2016D+7.0

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Swung Right in 2024

Atlantic County shifted 9.7 points toward Republicans compared to 2020. Voter turnout decreased by 7.3%.

Atlantic County — Local Discussion

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What does Atlantic County really think?

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