Boundary Atlas

ZIP code 73040: Geary, OK

ZIP code 73040 is in Geary (61% of residents), in Blaine County (73%) and Canadian County (27%), Oklahoma. 39% of its residents live outside city limits. It is in Oklahoma's 3rd congressional district. Its state senate district is State Senate District 26; its state house districts are State House District 55 (97%), State House District 56 (2.4%) and State House District 59 (0.5%).

1,571residents (2020 Census)
243.7 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Geary61%

CountyShare of ZIP residents
Blaine County73%
Canadian County27%

Town or county subdivisionShare of ZIP residents
Geary CCD72%
West Canadian CCD27%
Watonga CCD0.5%

Congressional district

Congressional districtShare of ZIP residents
Oklahoma's 3rd congressional district (OK-03)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
State House District 5597%
State House District 562.4%
State House District 590.5%

Voting precincts

5 voting precincts overlap ZIP 73040. 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:73040")

ZIP 73040 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.