
Tukwila
- County:
- King County
- County Seat:
- No
- Area (mi²):
- 9.185
- State:
- Washington
Tukwila is a city located in King County, Washington. Tukwila has a 2025 population of 20,722. Tukwila is currently declining at a rate of -0.98% annually and its population has decreased by -4.74% since the most recent census, which recorded a population of 21,754 in 2020.
The average household income in Tukwila is $102,213 with a poverty rate of 12.31%. The median age in Tukwila is 35 years: 35.6 years for males, and 34.2 years for females.