ZIP code 98243: San Juan County, WA
ZIP code 98243 is in San Juan County, Washington, outside any city or Census-designated place. It is in Washington's 2nd congressional district. Its state senate district is Legislative (Senate) District 40; its state house district is Legislative (House) District 40.
See it on the mapAll of Washington
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| San Juan County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Orcas CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 2nd congressional district (WA-02) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Legislative (Senate) District 40 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Legislative (House) District 40 | 100% |
Voting precincts
2 voting precincts overlap ZIP 98243. 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:98243")
ZIP 98243 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.