Boundary Atlas

ZIP code 79043: Hart, TX

ZIP code 79043 is in Hart (68% of residents), in Castro County (95%), Lamb County (4.5%) and Hale County (1.0%), Texas. 32% of its residents live outside city limits. It is in Texas's 19th congressional district. Its state senate districts are State Senate District 31 (95%) and State Senate District 28 (5.5%); its state house district is State House District 88.

1,278residents (2020 Census)
166.3 sq miland area
1cities and towns
1congressional district
4voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Hart68%

CountyShare of ZIP residents
Castro County95%
Lamb County4.5%
Hale County1.0%

Town or county subdivisionShare of ZIP residents
Hart CCD95%
Olton CCD4.5%
Plainview CCD1.0%

Congressional district

Congressional districtShare of ZIP residents
Texas's 19th congressional district (TX-19)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 3195%
State Senate District 285.5%

State house districtShare of ZIP residents
State House District 88100%

Voting precincts

4 voting precincts overlap ZIP 79043. 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:79043")

ZIP 79043 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.