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 2026 population of 21,636. Tukwila is currently growing at a rate of 1.53% annually but its population has decreased by -0.51% since the most recent census, which recorded a population of 21,748 in 2020.