
Seattle
- County:
- King County
- County Seat:
- Yes
- Area (mi²):
- 84
- State:
- Washington
Seattle is a city located in King County, Washington. Seattle has a 2025 population of 764,753. It is also the county seat of King County. Seattle is currently growing at a rate of 0.64% annually and its population has increased by 3.27% since the most recent census, which recorded a population of 740,565 in 2020.
The average household income in Seattle is $170,038 with a poverty rate of 9.87%. The median age in Seattle is 35.5 years: 35.2 years for males, and 35.8 years for females.