SeaTac
citySeaTac is a city in King County, Washington, located approximately midway between Seattle and Tacoma. As an inner-ring suburb of Seattle, it forms part of the Seattle metropolitan area. The city's name is derived from Seattle–Tacoma International Airport (Sea-Tac Airport), which is located entirely within its boundaries. SeaTac had a population of 31,454 in 2020. SeaTac's economy is closely tied to the presence of Sea-Tac International Airport, a major economic driver for the region. The city is home to over 900 licensed businesses, including the headquarters of Alaska Airlines and Horizon Air. Key industries include transportation, warehousing, accommodation, and food services. The city's Department of Community and Economic Development actively promotes economic growth and job creation. SeaTac is distinctive due to its close relationship with the airport, which significantly influences its economy and identity. The city has a diverse population and a growing economy, with ongoing efforts to improve infrastructure and quality of life.
SeaTac, Washington
- Classification
- City
- Country
- United States
- County
- King
- Region
- Seattle Metropolitan Area
- Elevation
- 348 ft
- Total Area
- 10.239 sq mi
- Land Area
- 10.064 sq mi
- Water Area
- 0.175 sq mi
- Latitude
- 47.44444
- Longitude
- -122.29861
- Climate
- SeaTac has short, warm, dry, and partly cloudy summers and very cold, wet, and mostly cloudy winters. The temperature typically varies from 37°F to 79°F.
- Notable Features
- Seattle-Tacoma International Airport · Angle Lake
- Neighboring Areas
- Burien · Des Moines · Tukwila · Kent
- Population (2020)
- 31,454
- Est. Population (2026)
- 35,342
- Median Age
- 36.8
- Median Income
- $81,104
- Poverty Rate
- 9.32%
- Family Households
- 60.8%
- Owner-Occupied
- 46.5%
- Racial & Ethnic Composition
- SeaTac has a diverse population. The largest racial/ethnic groups are White (28.74%), Black or African American (24.63%), and Asian (17.39%). 22.8% of the population is Hispanic or Latino.
- Government Type
- Council-Manager
- Governing Body
- City Council
- Body Size
- 7 members
- School District
- Highline Public Schools
- Municipal Services
- Police · Fire · Public Works · Parks & Recreation · Community and Economic Development












- Economic Profile
- Commercial · Residential · Suburban
- Employment Sectors
- Transportation & Warehousing · Accommodation & Food Services · Retail Trade
- Major Employers
- Alaska Airlines · Horizon Air · Seattle-Tacoma International Airport
- School Districts
- Highline Public Schools · Tukwila School District · Kent School District · Renton School District
- Transportation
- Seattle-Tacoma International Airport · Link Light Rail · Sound Transit Express Bus · I-5, SR 99, SR 518
- Utilities
- Recology (Garbage/Recycling) · Seattle Public Utilities (Water/Sewer) · Puget Sound Energy (Electricity)
- Major Facilities
- Seattle-Tacoma International Airport · SeaTac Community Center · Valley Ridge Park
- Outdoor Access
- Yes
- Major Recreation Areas
- Angle Lake Park · North SeaTac Park · Valley Ridge Park
- Parks & Trails
- Angle Lake Park · North SeaTac Park · Des Moines Creek Trail
- Founded
- 1850s
- Incorporated
- 1990
- Named After
- Seattle-Tacoma International Airport
- Historical Significance
- SeaTac's history is closely tied to the development of transportation in the region, from the Military Road to the Seattle-Tacoma International Airport. The city's incorporation in 1990 marked a significant step in local governance and community development.
- Key Events
- Settled by European Americans in the mid-1850s · Construction of Military Road in 1860 · Completion of Seattle-Tacoma International Airport in 1944 · Incorporated as a city on February 28, 1990
