SeaTac city, Washington
Population, Census, April 1, 2010 26,909
People
Population
Population estimates, July 1, 2025, (V2025) 34,578
Population estimates, July 1, 2024, (V2024) 34,024
Population estimates base, April 1, 2020, (V2025) 31,448
Population estimates base, April 1, 2020, (V2024) 31,439
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 10.0%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 8.2%
Population, Census, April 1, 2020 31,454
Population, Census, April 1, 2010 26,909
Age and Sex
Persons under 5 years, percent 6.0%
Persons under 18 years, percent 22.5%
Persons 65 years and over, percent 12.8%
Female persons, percent 44.8%
Race and Hispanic Origin
White alone, percent 28.7%
Black alone, percent(a) 24.6%
American Indian and Alaska Native alone, percent(a) 0.5%
Asian alone, percent(a) 17.4%
Native Hawaiian and Other Pacific Islander alone, percent(a) 1.3%
Two or More Races, percent 10.5%
Hispanic or Latino, percent(b) 22.8%
White alone, not Hispanic or Latino, percent 27.0%
Population Characteristics
Veterans, 2020-2024 1,240
Foreign-born persons, percent, 2020-2024 39.9%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 46.5%
Median value of owner-occupied housing units, 2020-2024 $519,700
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,304
Median selected monthly owner costs - without a mortage, 2020-2024 $831
Median gross rent, 2020-2024 $1,660
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 12,134
Persons per household, 2020-2024 2.60
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 80.5%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 50.5%
Computer and Internet Use
Households with a computer, percent, 2020-2024 97.3%
Households with a broadband Internet subscription, percent, 2020-2024 91.9%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 83.9%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 26.4%
Health
With a disability, under age 65 years, percent, 2020-2024 8.3%
Persons without health insurance, under age 65 years, percent 13.3%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 69.1%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 63.5%
Total accommodation and food services sales, 2022 ($1,000)(c) 484,175
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 126,139
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 3,755,032
Total retail sales, 2022 ($1,000)(c) 274,575
Total retail sales per capita, 2022(c) $8,999
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 25.4
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $81,104
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $38,330
Persons in poverty, percent 9.3%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 3,125.4
Population per square mile, 2010 2,682.9
Land area in square miles, 2020 10.06
Land area in square miles, 2010 10.03
FIPS Code 5362288