Boundary Atlas

ZIP code 98221: Anacortes, WA

ZIP code 98221 is in Anacortes (77% of residents), in Skagit County (100%) and San Juan County (0.5%), Washington. 23% of its residents live outside city limits. It is in Washington's 2nd congressional district. Its state senate districts are Legislative (Senate) District 40 (85%) and Legislative (Senate) District 10 (15%); its state house districts are Legislative (House) District 40 (85%) and Legislative (House) District 10 (15%).

22,853residents (2020 Census)
51.9 sq miland area
1cities and towns
1congressional district
21voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Anacortes77%

CountyShare of ZIP residents
Skagit County100%
San Juan County0.5%

Town or county subdivisionShare of ZIP residents
Anacortes CCD99%
Lopez CCD0.5%

Congressional district

Congressional districtShare of ZIP residents
Washington's 2nd congressional district (WA-02)100%

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 4085%
Legislative (Senate) District 1015%

State house districtShare of ZIP residents
Legislative (House) District 4085%
Legislative (House) District 1015%

Voting precincts

21 voting precincts overlap ZIP 98221. 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:98221")

ZIP 98221 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.