Boundary Atlas

ZIP code 98148: Burien, WA

ZIP code 98148 is in Burien (74% of residents), Des Moines (18%), Normandy Park (5.0%) and SeaTac (2.1%), in King County, Washington. It is in Washington's 7th congressional district (79%) and Washington's 9th congressional district (21%). Its state senate district is Legislative (Senate) District 33; its state house district is Legislative (House) District 33.

11,092residents (2020 Census)
2.7 sq miland area
4cities and towns
2congressional districts
20voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Burien74%
Des Moines18%
Normandy Park5.0%
SeaTac2.1%

CountyShare of ZIP residents
King County100%

Town or county subdivisionShare of ZIP residents
Seattle CCD100%

Congressional districts

Congressional districtShare of ZIP residents
Washington's 7th congressional district (WA-07)79%
Washington's 9th congressional district (WA-09)21%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
MayorKevin Schilling206-241-464774%
U.S. Representative (WA-07)Pramila Jayapal (D)202-225-310679%
U.S. Representative (WA-09)Adam Smith (D)202-225-890121%
U.S. SenatorMaria Cantwell (D)202-224-3441 · contact formstatewide
U.S. SenatorPatty Murray (D)202-224-2621 · contact formstatewide
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%

Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 33100%

State house districtShare of ZIP residents
Legislative (House) District 33100%

Voting precincts

20 voting precincts overlap ZIP 98148. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:98148")

ZIP 98148 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.