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Connecticut·CT·FIPS 09009

New Haven County

Voted Democratic in 2024 · 397,987 votes cast

New Haven County

About New Haven County

New Haven County is a county in the south central part of the U.S. state of Connecticut. As of the 2020 census, the population was 864,835, making it the third-most populous county in Connecticut. Two of the state's five largest cities, New Haven (3rd) and Waterbury (5th), are part of New Haven County.

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Total Votes (2024)
397,987
Winner Margin
D+11.9
Turnout Change
-4.8%
2020→2024 Swing
R+5.5

2024 Presidential Results

All candidates · New Haven County, Connecticut

Kamala D Harris(Democrat)
55.0%218,981
Won by 47,546 votes
Donald J Trump(Republican)
43.1%171,435
Other(Other)
1.6%6,365
Chase Oliver(Libertarian)
0.3%1,206

Margin History

Red = Republican, Blue = Democratic

2024D+11.9
2020D+17.4
2016D+12.3
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Swung Right in 2024

New Haven County shifted 5.5 points toward Republicans compared to 2020. Voter turnout decreased by 4.8%.

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No one has claimed New Haven County yet

Be the first citizen to represent your county in the Citizens' Assembly. Your vote will shift New Haven County's position on the national map.

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New Haven County — Local Discussion

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What does New Haven County really think?

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