Boundary Atlas

ZIP code 97850: La Grande, OR

ZIP code 97850 is in La Grande (76% of residents) and Island City (6.7%), in Union County, Oregon. 17% of its residents live outside city limits. It is in Oregon's 2nd congressional district. Its state senate district is State Senate District 29; its state house district is State House District 58.

17,197residents (2020 Census)
320.2 sq miland area
2cities and towns
1congressional district
10voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
La Grande76%
Island City6.7%

CountyShare of ZIP residents
Union County100%

Town or county subdivisionShare of ZIP residents
La Grande CCD98%
Starkey CCD0.9%
Cove CCD0.8%
Union CCD0.4%
Elgin CCD<0.1%

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 29100%

State house districtShare of ZIP residents
State House District 58100%

Voting precincts

10 voting precincts overlap ZIP 97850. 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:97850")

ZIP 97850 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.