Boundary Atlas

ZIP code 73048: Hydro, OK

ZIP code 73048 is in Hydro (45% of residents), in Caddo County (62%), Blaine County (24%) and Custer County (14%), Oklahoma. 55% 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 (80%), State House District 57 (14%) and State House District 65 (6.6%).

2,056residents (2020 Census)
190.6 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Oklahoma

City and county

City or townShare of ZIP residents
Hydro45%

CountyShare of ZIP residents
Caddo County62%
Blaine County24%
Custer County14%

Town or county subdivisionShare of ZIP residents
Hydro CCD55%
Geary CCD24%
Weatherford CCD11%
Carnegie CCD5.5%
Thomas CCD3.1%
Binger-Hinton CCD1.5%

Congressional district

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

Members of Congress

OfficeMemberContact
U.S. Representative (OK-03)Frank D. Lucas (R)202-225-5565
U.S. SenatorAlan Armstrong (R)202-224-4721
U.S. SenatorJames Lankford (R)202-224-5754 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 26100%

State house districtShare of ZIP residents
State House District 5580%
State House District 5714%
State House District 656.6%

Voting precincts

9 voting precincts overlap ZIP 73048. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 73048 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.