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Seneca County

Seneca County — County in the United States.

County

Population

54,522

Estimate for July 1, 2025

Population
YearPopulation
202055,061
202154,975
202254,650
202354,719
202454,694
202554,522

US Census Bureau, Population Estimates Program, Vintage 2025

Election administration

Election administration
Measure202420222020
Precincts515151
Polling places3151—
Election Day polling places305135
Early-voting polling places111
Poll workers227207242

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