Boundary Atlas

ZIP code 97378: Sheridan, OR

ZIP code 97378 is in Sheridan (70% of residents), in Yamhill County (87%) and Polk County (13%), Oregon. 30% of its residents live outside city limits. It is in Oregon's 6th congressional district. Its state senate district is State Senate District 12; its state house districts are State House District 24 (97%) and State House District 23 (2.7%).

9,195residents (2020 Census)
116.7 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
Sheridan70%

CountyShare of ZIP residents
Yamhill County87%
Polk County13%

Town or county subdivisionShare of ZIP residents
Sheridan CCD87%
Willamina CCD8.8%
Dallas CCD2.9%
Falls City CCD1.1%
Dayton-Amity CCD<0.1%

Congressional district

Congressional districtShare of ZIP residents
Oregon's 6th congressional district (OR-06)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 12100%

State house districtShare of ZIP residents
State House District 2497%
State House District 232.7%

Voting precincts

4 voting precincts overlap ZIP 97378. 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:97378")

ZIP 97378 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.