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Hamilton County

Hamilton County — County in the United States.

County

Population

390,833

Estimate for July 1, 2025

Population
YearPopulation
2020367,886
2021369,725
2022375,738
2023381,087
2024387,268
2025390,833

US Census Bureau, Population Estimates Program, Vintage 2025

Election administration

Election administration
Measure202420222020
Precincts9290135
Polling places7876—
Election Day polling places787668
Early-voting polling places664
Poll workers1,5179591,144

US Election Assistance Commission, Election Administration and Voting Survey (EAVS)