Boundary Atlas

ZIP code 98199: Seattle, WA

ZIP code 98199 is in Seattle, in King County, Washington. It is in Washington's 7th congressional district. Its state senate district is Legislative (Senate) District 36; its state house district is Legislative (House) District 36.

22,549residents (2020 Census)
4.2 sq miland area
1cities and towns
1congressional district
39voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Seattle100%

CountyShare of ZIP residents
King County100%

Town or county subdivisionShare of ZIP residents
Seattle CCD100%

Congressional district

Congressional districtShare of ZIP residents
Washington's 7th congressional district (WA-07)100%

Elected officials

OfficeMemberContactShare of residents
MayorKatie B. Wilson206-684-4000100%
U.S. Representative (WA-07)Pramila Jayapal (D)202-225-3106100%
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 36)Noel Frame (Democratic)100%
State Representative (Legislative (House) District 36)Julia Reed (Democratic)100%
State Representative (Legislative (House) District 36)Liz Berry (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 36100%

State house districtShare of ZIP residents
Legislative (House) District 36100%

Voting precincts

39 voting precincts overlap ZIP 98199. Map them, with each precinct's share of the ZIP's residents.

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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:98199")

ZIP 98199 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.