Census tracts · SeaTac, WA
Census tracts in SeaTac, Washington
6 census tracts lie mostly within SeaTac, and 7 more reach into it, by the 2020 census blocks they share. Median household income runs from $59,208 in Tract 288.02 to $110,147 in Tract 273, against $81,104 for SeaTac as a whole (ACS 2020-2024 5-year estimates).
Which census tracts of SeaTac earn the most and the least?
The five tracts with the highest and the lowest median household income among those mostly within SeaTac and with a reliable estimate.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
Every census tract in SeaTac
Sort by any column; the share column is how much of each tract's land (by 2020 census blocks) lies inside SeaTac.
| Tract 284.0353033028403 | 0.8 mi southeast | 6,222±724 | $61,188 |
|---|---|---|---|
| Tract 284.0253033028402 | 0.5 mi northwest | 6,158±1,020 | $82,256 |
| Tract 288.0253033028802 | 1.4 mi south | 7,389±1,153 | $59,208 |
| Tract 28153033028100 | 1.7 mi north | 3,043±471 | $68,284 |
| Tract 288.0153033028801 | 1.6 mi south | 3,477±350 | $71,682 |
| Tract 27353033027300 | 2.6 mi north | 7,194±690 | $110,147 |
| Tract 28353033028300 | 1.6 mi southeast | 5,902±767 | $115,700 |
| Tract 28553033028500 | 1.2 mi west | 4,309±776 | $98,478 |
| Tract 291.0153033029101 | 3.3 mi south | 4,544±623 | $111,298 |
| Tract 28053033028000 | 2.0 mi northwest | 3,538±724 | $85,482 |
| Tract 289.0253033028902 | 3.0 mi south | 7,428±779 | $57,651 |
| Tract 26253033026200 | 2.8 mi northeast | 5,618±842 | $76,399 |
| Tract 28753033028700 | 2.1 mi southwest | 4,974±639 | $132,207 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files · Census block assignment files
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections