Basic information

| Attribute | Detail | | :--- | :--- | | Official Name | City of SeaTac | | Common Name | SeaTac | | Native Name(s) | Coast Salish / Duwamish ancestral lands | | Nicknames | The Airport City | | Motto | Every Day. A Million Possibilities. | | Geographic Level | City | | Country | United States | | State/Province | Washington | | Capital | Olympia (State) | | Government Type | Council-Manager | | Date Founded | Incorporated February 28, 1990 | | Time Zone | Pacific Time (PT) - UTC-8 (UTC-7 in Summer) | | Latitude | 47.4436° N | | Longitude | 122.2961° W | | Elevation | 165 to 350 feet (50 to 106 meters) | | Total Area | 9.33 sq mi (24.16 km²) | | Population | ~31,454 (2020 Census) | | Population Density | ~3,370 per sq mi | | ZIP/Postal Codes | 98148, 98158, 98168, 98188, 98198 | | Area Codes | 206, 253 | | Official Languages | English (Highly multilingual population) | | Currency | United States Dollar (USD) | | Demonym | SeaTac Resident |