Boundary Atlas

ZIP code 74366: Spavinaw, OK

ZIP code 74366 is in Spavinaw (26% of residents) and Kenwood (7.1%), in Mayes County (92%) and Delaware County (8.3%), Oklahoma. 67% of its residents live outside city limits. It is in Oklahoma's 2nd congressional district. Its state senate districts are State Senate District 1 (92%) and State Senate District 4 (8.3%); its state house district is State House District 5.

1,329residents (2020 Census)
36.0 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Spavinaw26%
Kenwood7.1%

CountyShare of ZIP residents
Mayes County92%
Delaware County8.3%

Town or county subdivisionShare of ZIP residents
East Mayes CCD92%
Jay CCD8.3%

Congressional district

Congressional districtShare of ZIP residents
Oklahoma's 2nd congressional district (OK-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 192%
State Senate District 48.3%

State house districtShare of ZIP residents
State House District 5100%

Voting precincts

4 voting precincts overlap ZIP 74366. 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:74366")

ZIP 74366 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.