SeaTac, WA
Population 31,143 · Washington
About SeaTac, WA
SeaTac is a mid-sized city located in Washington with a population of 31,143 residents according to the latest US Census Bureau American Community Survey data. The median household income is $76,517 per year, which is 2% above the national median of $75,149. The median age of 36.8 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in SeaTac features a median home value of $483,200, which is 97% above the national median of $244,900. This places SeaTac in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $1,637, 41% above the national average of $1,163/month. Of the 12,424 total housing units, 45% are owner-occupied (5,304 units) and 55% are renter-occupied (6,468 units). The higher proportion of renters may reflect a transient population, younger demographics, or high housing costs relative to income.
Economy & Employment
The local economy in SeaTac shows an unemployment rate of 8.3%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 10.4%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in SeaTac have an average one-way commute time of 25.6 minutes.
Education & Demographics
26.6% of SeaTac residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This is in line with national trends in educational attainment. The community's demographic composition includes 14.0% White, 2.0% Hispanic or Latino, 1.3% Black or African American, and 7.5% Asian residents, with 39.9% of the population being foreign-born.
How SeaTac Ranks in Washington
Cost of Living in SeaTac, WA
Compared to national averages, SeaTac has a median household income of $76,517 (2% above the national median of $75,149). Home values average $483,200, which is 97% above the national median. Monthly rent at $1,637 is 41% above the US average of $1,163. Within Washington, SeaTac's income is 16% below the state average of $90,795, and home values are 5% above the state median of $460,491.
Why Live in SeaTac, WA?
SeaTac offers a strong local economy with a median household income of $76,517, well above the national average, and a low poverty rate of 10.4%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $483,200. However, SeaTac’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
SeaTac has a population of 31,143 with a median age of 36.8 years. Compare SeaTac with other cities to see how it stacks up, or explore all cities in Washington.
Similar Cities Near SeaTac
Cities in Washington with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| Pullman | 31,939 | $45,097 | $401,700 | Compare |
| Des Moines | 32,545 | $89,787 | $539,800 | Compare |
| Orchards | 29,716 | $96,893 | $437,100 | Compare |
| Walla Walla | 33,766 | $65,493 | $356,600 | Compare |
| Maple Valley | 28,121 | $147,546 | $672,000 | Compare |
| Spanaway | 34,322 | $94,028 | $401,000 | Compare |
| University Place | 34,850 | $94,952 | $578,100 | Compare |
| Graham | 35,090 | $115,501 | $472,800 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Washington
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
Compare SeaTac With Other Cities
Frequently Asked Questions about SeaTac
What is the population of SeaTac, WA?
The population of SeaTac, WA is 31,143 according to the latest US Census Bureau American Community Survey estimates. This makes it a mid-sized city in Washington.
What is the median household income in SeaTac?
The median household income in SeaTac, WA is $76,517 per year, which is 2% above the national median of $75,149.
What is the median home value in SeaTac?
The median home value in SeaTac, WA is $483,200, which is 97% above the national median of $244,900. A significant portion of residents rent their homes.
What is the average rent in SeaTac?
The median monthly rent in SeaTac, WA is $1,637, which is 41% above the national average of $1,163/month.
What is the unemployment rate in SeaTac?
The unemployment rate in SeaTac, WA is 8.3%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.
Is SeaTac, WA a good place to live?
SeaTac offers above-average incomes, a competitive housing market, and growing employment opportunities. With a population of 31,143 and a median age of 36.8, the city appeals to a broad range of residents.
How educated is SeaTac, WA?
26.6% of residents in SeaTac aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.
What is the cost of living in SeaTac?
Key cost-of-living indicators for SeaTac, WA: median home value is $483,200 (97% above national), median rent is $1,637/month, and median household income is $76,517. The home-value-to-income ratio is 6.3x, which suggests housing may be stretched relative to local earnings.
What is the poverty rate in SeaTac?
The poverty rate in SeaTac, WA is 10.4%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is SeaTac, WA?
SeaTac's population is 14.0% White, 2.0% Hispanic or Latino, 1.3% Black or African American, 7.5% Asian, and 23.9% two or more races. 39.9% of residents are foreign-born.