Sammamish Flag

Sammamish

County:
King County
County Seat:
No
Area (mi²):
20.427
State:
Washington

Sammamish is a city located in King County, Washington. Sammamish has a 2026 population of 66,474. Sammamish is currently growing at a rate of 0.94% annually but its population has decreased by -1.45% since the most recent census, which recorded a population of 67,449 in 2020.

66.5K
Total Population
3,254
Density (mi²)
617 0.94%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)