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.
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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.