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Dewey County

Dewey County — County in the United States.

County

Population

4,207

Estimate for July 1, 2025

Population
YearPopulation
20204,476
20214,425
20224,394
20234,258
20244,271
20254,207

US Census Bureau, Population Estimates Program, Vintage 2025

Election administration

Election administration
Measure202420222020
Precincts999
Polling places1010—
Election Day polling places999
Early-voting polling places111
Poll workers293029

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