
Federal Way
- County:
- King County
- County Seat:
- No
- Area (mi²):
- 22.329
- State:
- Washington
Federal Way is a city located in King County, Washington. Federal Way has a 2025 population of 95,509. Federal Way is currently declining at a rate of -1.13% annually and its population has decreased by -5.43% since the most recent census, which recorded a population of 100,988 in 2020.
The average household income in Federal Way is $105,414 with a poverty rate of 12.68%. The median age in Federal Way is 37.6 years: 36.7 years for males, and 38.8 years for females.