Boundary Atlas

ZIP code 97478: Springfield, OR

ZIP code 97478 is in Springfield (78% of residents), in Lane County, Oregon. 22% of its residents live outside city limits. It is in Oregon's 4th congressional district. Its state senate districts are State Senate District 4 (82%) and State Senate District 6 (18%); its state house districts are State House District 7 (82%) and State House District 12 (18%).

39,155residents (2020 Census)
168.4 sq miland area
3cities and towns
1congressional district
9voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
Springfield78%
Marcola0.2%
Jasper0.2%

CountyShare of ZIP residents
Lane County100%

Town or county subdivisionShare of ZIP residents
Eugene-Springfield CCD84%
Marcola CCD9.4%
McKenzie River CCD6.0%
Lowell CCD1.1%

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 482%
State Senate District 618%

State house districtShare of ZIP residents
State House District 782%
State House District 1218%

Voting precincts

9 voting precincts overlap ZIP 97478. 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:97478")

ZIP 97478 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.