Boundary Atlas

ZIP code 97040: Mosier, OR

ZIP code 97040 is in Mosier (35% of residents), in Wasco County, Oregon. 65% of its residents live outside city limits. It is in Oregon's 2nd congressional district. Its state senate district is State Senate District 26; its state house district is State House District 52.

1,335residents (2020 Census)
52.9 sq miland area
1cities and towns
1congressional district
2voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
Mosier35%

CountyShare of ZIP residents
Wasco County100%

Town or county subdivisionShare of ZIP residents
The Dalles CCD100%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%
State Senate District 29land only

State house districtShare of ZIP residents
State House District 52100%
State House District 57land only

Voting precincts

2 voting precincts overlap ZIP 97040. 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:97040")

ZIP 97040 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.