Boundary Atlas

ZIP code 98660: Vancouver, WA

ZIP code 98660 is in Vancouver, in Clark County, Washington. It is in Washington's 3rd congressional district. Its state senate district is Legislative (Senate) District 49; its state house district is Legislative (House) District 49.

12,735residents (2020 Census)
15.3 sq miland area
1cities and towns
1congressional district
13voting precincts

See it on the mapAll of Washington

City and county

City or townShare of ZIP residents
Vancouver100%

CountyShare of ZIP residents
Clark County100%

Town or county subdivisionShare of ZIP residents
Vancouver 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 49100%
Legislative (Senate) District 20land only

State house districtShare of ZIP residents
Legislative (House) District 49100%
Legislative (House) District 20land only

Voting precincts

13 voting precincts overlap ZIP 98660. 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:98660")

ZIP 98660 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.