Boundary Atlas

ZIP code 73010: Blanchard, OK

ZIP code 73010 is in Blanchard (42% of residents), Dibble (3.0%) and Cole (2.5%), in McClain County (51%) and Grady County (49%), Oklahoma. 53% of its residents live outside city limits. It is in Oklahoma's 4th congressional district. Its state senate districts are State Senate District 43 (79%) and State Senate District 23 (21%); its state house districts are State House District 51 (49%), State House District 20 (40%) and State House District 42 (12%).

20,744residents (2020 Census)
174.5 sq miland area
5cities and towns
1congressional district
17voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Blanchard42%
Dibble3.0%
Cole2.5%
Bridge Creek0.7%
Middleberg0.5%

CountyShare of ZIP residents
McClain County51%
Grady County49%

Town or county subdivisionShare of ZIP residents
Newcastle-Blanchard CCD48%
Amber-Pocasset CCD25%
Tuttle CCD21%
Purcell CCD3.8%
Alex CCD2.9%

Congressional district

Congressional districtShare of ZIP residents
Oklahoma's 4th congressional district (OK-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 4379%
State Senate District 2321%

State house districtShare of ZIP residents
State House District 5149%
State House District 2040%
State House District 4212%

Voting precincts

17 voting precincts overlap ZIP 73010. 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:73010")

ZIP 73010 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.