Boundary Atlas

ZIP code 97402: Eugene, OR

ZIP code 97402 is in Eugene (92% of residents), in Lane County, Oregon. 7.7% of its residents live outside city limits. It is in Oregon's 4th congressional district. Its state senate districts are State Senate District 7 (87%), State Senate District 4 (12%), State Senate District 5 (0.9%) and State Senate District 6 (<0.1%); its state house districts are State House District 14 (87%), State House District 8 (12%), State House District 9 (0.9%) and State House District 12 (<0.1%).

56,610residents (2020 Census)
68.6 sq miland area
2cities and towns
1congressional district
17voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
Eugene92%
Santa Clara<0.1%

CountyShare of ZIP residents
Lane County100%

Town or county subdivisionShare of ZIP residents
Eugene-Springfield CCD99%
Badger Mountain CCD1.0%
Upper Siuslaw River CCD0.2%
Junction City CCD<0.1%

Congressional district

Congressional districtShare of ZIP residents
Oregon's 4th congressional district (OR-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 787%
State Senate District 412%
State Senate District 50.9%
State Senate District 6<0.1%

State house districtShare of ZIP residents
State House District 1487%
State House District 812%
State House District 90.9%
State House District 12<0.1%

Voting precincts

17 voting precincts overlap ZIP 97402. 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:97402")

ZIP 97402 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.