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SeaTac, WA
City in King County, Washington. ZIP codes: 98148, 98158, 98168, 98188, 98198.
Population
32,414
Land area
10.1sq mi
People per sq mi
3,221
ZIP codes
5
SeaTac and its ZIP codes
SeaTac at a glance
- SeaTac is about 27 times as dense as Washington as a whole.
- By population, it ranks 43rd among 628 cities and towns in Washington.
- The median household income is $81,104, 17% below the Washington median of $98,141.
- A typical owner-occupied home is valued at $519,700 (8% below Washington) and median rent is $1,660 a month.
Local data for SeaTac, WA
Counts from official public data
Housing and community stats
SeaTac, WA, American Community Survey 2020-2024
Median household income
$81,104
Poverty rate
9.3%
Median home value
$519,700
Median rent
$1,660/mo
Homeownership
46.5%
Bachelor's or higher
26.4%
Median age
36.8
Average commute
25.4 min
Largest reported origins and ancestries: Mexican Americans (4,328), Ethiopian Americans (3,298), German Americans (2,435).
Economy and federal money
Jobs, pay, income and spending are for King County. PPP loans are for SeaTac.
Unemployment rate
4.8%
Sep 2026, 0.0 pts in a year
Average annual pay
$136,848
1,436,484 jobs, 2025
Income per person
$128,684
BEA, 2024
Federal spending
$24.6B
FY 2026, $10,843 per person
PPP loans
$191M
2,103 loans, 18,420 jobs reported
How people get to work
SeaTac, WA, workers 16 and older. American Community Survey 5-year estimates
- Drove alone58.5%
- Carpooled16.6%
- Public transit6.5%
- Walked5.2%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other1.8%
- Worked from home11.5%
Average one-way commute: 25.4 minutes for people who do not work from home.
Environment and hazard risk
SeaTac, WA, from FEMA, NOAA and EPA
Natural hazard risk
Very High
Top: earthquake
Storm events since 1996
75
Countywide, mostly lightning
Flood insurance policies
4,529
0.8% of homes, county
July high / Jan low
77° / 38°F
39.3 inches of rain a year
Health statistics
Share of adults in SeaTac, WA, CDC PLACES estimates
Obesity
28.1%
U.S. 33.3% -5.2 pts
Diabetes
10.0%
U.S. 12.1% -2.1 pts
Smoking
11.1%
U.S. 12.8% -1.7 pts
Uninsured (18-64)
11.9%
U.S. 11.1% +0.8 pts
Crime in SeaTac
Seatac Police Department, reported to the FBI for 2025
- Violent crime
- 297
- per 100,000 people · 102% of the WA rate
- Property crime
- 1,930
- per 100,000 people · 96% of the WA rate
ZIP codes in SeaTac
5 in or overlapping SeaTac. Population shown
Cities near SeaTac
| Name | Distance | Land area (sq mi) |
|---|---|---|
| TukwilaCity | 2.5 mi | 9.2 |
| Normandy ParkCity | 2.5 mi | 2.5 |
| BurienCity | 3.1 mi | 10 |
| Des MoinesCity | 4 mi | 6.4 |
| Bryn Mawr-SkywayCensus-designated place | 4.3 mi | 2.9 |
| KentCity | 4.7 mi | 33.8 |
| Boulevard ParkCensus-designated place | 5.3 mi | 1.2 |
| White CenterCensus-designated place | 5.3 mi | 2.3 |
| RentonCity | 5.4 mi | 23.5 |
| Lakeland NorthCensus-designated place | 7.3 mi | 3.2 |
| FairwoodCensus-designated place | 7.4 mi | 4.7 |
| VashonCensus-designated place | 8.6 mi | 37 |
| NewcastleCity | 8.8 mi | 4.4 |
| Mercer IslandCity | 9.2 mi | 6.4 |
| Maple Heights-Lake DesireCensus-designated place | 9.3 mi | 4.1 |
| Federal WayCity | 9.5 mi | 22.3 |
Frequently asked questions
- What county is SeaTac, WA in?
- SeaTac is in King County, Washington.
- What ZIP codes are in SeaTac, WA?
- ZIP codes in or overlapping SeaTac include 98148, 98158, 98168, 98188, 98198.
- What is the population of SeaTac, WA?
- About 32,414 people live in SeaTac, based on American Community Survey 5-year estimates.
- What cities are near SeaTac?
- Nearby places include Tukwila (2.5 mi), Normandy Park (2.5 mi), Burien (3.1 mi), Des Moines (4 mi), Bryn Mawr-Skyway (4.3 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023