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Population Review

What is the population of King County, WA?

King County in Washington has a population of 2,262,713, according to Census ACS 2023 5-Year estimates. The median household income is $122,148.

Context

King County is one of 39 counties in Washington. Counties are the primary subdivisions of states and administer courts, elections, property records, and many public services.

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King County in Washington has a population of 2,262,713, according to Census ACS 2023 5-Year estimates. The median household income is $122,148.