Boundary Atlas

ZIP code 98640: Ocean Park, WA

ZIP code 98640 is in Ocean Park (35% of residents), in Pacific County, Washington. 65% of its residents live outside city limits. It is in Washington's 3rd congressional district. Its state senate district is Legislative (Senate) District 19; its state house district is Legislative (House) District 19.

5,140residents (2020 Census)
14.1 sq miland area
1cities and towns
1congressional district
6voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Ocean Park35%

CountyShare of ZIP residents
Pacific County100%

Town or county subdivisionShare of ZIP residents
Long Beach-North Beach Peninsula CCD100%

Congressional district

Congressional districtShare of ZIP residents
Washington's 3rd congressional district (WA-03)100%

State legislative districts

State senate districtShare of ZIP residents
Legislative (Senate) District 19100%

State house districtShare of ZIP residents
Legislative (House) District 19100%

Voting precincts

6 voting precincts overlap ZIP 98640. 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:98640")

ZIP 98640 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.