Boundary Atlas

ZIP code 98524: Allyn, WA

ZIP code 98524 is in Allyn (62% of residents) and Grapeview (13%), in Mason County, Washington. 25% of its residents live outside city limits. It is in Washington's 6th congressional district. Its state senate district is Legislative (Senate) District 35; its state house district is Legislative (House) District 35.

3,551residents (2020 Census)
8.2 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Allyn62%
Grapeview13%

CountyShare of ZIP residents
Mason County100%

Town or county subdivisionShare of ZIP residents
Union-Grapeview CCD100%

Congressional district

Congressional districtShare of ZIP residents
Washington's 6th congressional district (WA-06)100%

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 35100%

State house districtShare of ZIP residents
Legislative (House) District 35100%

Voting precincts

5 voting precincts overlap ZIP 98524. 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:98524")

ZIP 98524 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.