Boundary Atlas

ZIP code 97056: Scappoose, OR

ZIP code 97056 is in Scappoose (62% of residents) and Warren (1.7%), in Columbia County (98%), Multnomah County (1.9%) and Washington County (0.5%), Oregon. 36% of its residents live outside city limits. It is in Oregon's 1st congressional district. Its state senate district is State Senate District 16; its state house district is State House District 31.

12,926residents (2020 Census)
110.7 sq miland area
2cities and towns
1congressional district
3voting precincts

See it on the mapAll of Oregon

City and county

City or townShare of ZIP residents
Scappoose62%
Warren1.7%

CountyShare of ZIP residents
Columbia County98%
Multnomah County1.9%
Washington County0.5%

Town or county subdivisionShare of ZIP residents
Scappoose CCD83%
St. Helens CCD15%
Skyline CCD1.9%
North Plains CCD0.5%
Vernonia CCD0.3%

Congressional district

Congressional districtShare of ZIP residents
Oregon's 1st congressional district (OR-01)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 16100%

State house districtShare of ZIP residents
State House District 31100%

Voting precincts

3 voting precincts overlap ZIP 97056. 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:97056")

ZIP 97056 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.