New York·NY·FIPS 36055

Monroe County

Voted Democratic in 2024 · 362,715 votes cast

About Monroe County

Monroe County is a county in the U.S. state of New York, located along Lake Ontario's southern shore. As of 2025, the population was 750,506, according to Census Bureau estimates. Its county seat and largest city is Rochester. The county is named after James Monroe, the fifth president of the United States. Monroe County is part of the upstate Rochester, NY Metropolitan Statistical Area. The county is part of the Finger Lakes region of the state.

2024 Presidential Results

All candidates · Monroe County, New York

Kamala D Harris(Democrat)

59.2%214,757

Won by 68,817 votes

Donald J Trump(Republican)

40.2%145,940

Other(Other)

0.4%1,585

Chase Oliver(Libertarian)

0.1%433

Margin History

Red = Republican, Blue = Democratic

2024D+19.0

2020D+20.9

2016D+15.0

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Swung Right in 2024

Monroe County shifted 1.9 points toward Republicans compared to 2020. Voter turnout decreased by 5.4%.

Monroe County — Local Discussion

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What does Monroe County really think?

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