Tukwila (/tʌkˈwɪlə/ tuk-WIL-ə) is a suburban city in King County, Washington, United States, located immediately to the south of Seattle. The population was 21,798 at the 2020 census.
With the main goal of establishing better fire protection and water service, better access to schools and safer roads, Tukwila was incorporated as a fourth-class city on June 14, 1908 with a population of around 450.