SeaTac, Washington
SeaTac is a city in King County, Washington, with 31,454 residents in 2020. It is in Washington's 9th congressional district. Its state senate district is Legislative (Senate) District 33; its state house district is Legislative (House) District 33.
County
| County | Share of residents |
|---|---|
| King County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Washington's 9th congressional district (WA-09) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Mohamed Egal | citywide | |
| U.S. Representative (WA-09) | Adam Smith (D) | 202-225-8901 | 100% |
| U.S. Senator | Maria Cantwell (D) | 202-224-3441 · contact form | statewide |
| U.S. Senator | Patty Murray (D) | 202-224-2621 · contact form | statewide |
| State Senator (Legislative (Senate) District 33) | Tina Orwall (Democratic) | 100% | |
| State Representative (Legislative (House) District 33) | Edwin Obras (Democratic) | 100% | |
| State Representative (Legislative (House) District 33) | Mia Gregerson (Democratic) | 100% |
From Wikidata (community-maintained); confirm on the city's website.
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- SeaTac website: https://www.seatacwa.gov/
- SeaTac laws: search for the SeaTac, Washington code of ordinances
- King County website: https://kingcounty.gov
- King County laws: search for the King County, Washington code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| Legislative (Senate) District 33 | 100% |
| State house district | Share of residents |
|---|---|
| Legislative (House) District 33 | 100% |
ZIP codes
Percentages mark ZIPs only partly in SeaTac: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get SeaTac's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:5362288")
SeaTac here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.