Kitsap County Flag

Kitsap County

State:
Washington
County Seat:
Port Orchard

Kitsap County's 2026 population is estimated at 286,020, reflecting a 0.93% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kitsap County is the 7th largest county in Washington. The 2010 population was 251,696 and has grown 13.64% since 2010.

286,020
Total Population
724
Population Density (mi²)
7
Population Rank (State)
2.6K 0.93%
Annual Population Growth

Kitsap County Population

Demographics

Economics and Income Statistics