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King County

King County — County in the United States.

County

Population

2,344,939

Estimate for July 1, 2025

Population
YearPopulation
20202,274,304
20212,253,549
20222,265,822
20232,283,086
20242,317,959
20252,344,939

US Census Bureau, Population Estimates Program, Vintage 2025

Election administration

Election administration
Measure202420222020
Precincts2,7562,7512,642
Polling places88—
Early-voting polling places887

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