Boundary Atlas

ZIP code 79079: Shamrock, TX

ZIP code 79079 is in Shamrock (73% of residents), in Wheeler County (95%) and Collingsworth County (4.5%), Texas. 27% of its residents live outside city limits. It is in Texas's 13th congressional district. Its state senate district is State Senate District 28; its state house district is State House District 88.

2,461residents (2020 Census)
593.0 sq miland area
2cities and towns
1congressional district
5voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Shamrock73%
Samnorwood1.0%

CountyShare of ZIP residents
Wheeler County95%
Collingsworth County4.5%

Town or county subdivisionShare of ZIP residents
Shamrock CCD90%
Wheeler CCD5.3%
Samnorwood CCD4.5%
Wellington CCD<0.1%

Congressional district

Congressional districtShare of ZIP residents
Texas's 13th congressional district (TX-13)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 28100%

State house districtShare of ZIP residents
State House District 88100%

Voting precincts

5 voting precincts overlap ZIP 79079. 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:79079")

ZIP 79079 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.