Boundary Atlas

ZIP code 78076: Zapata, TX

ZIP code 78076 is in Zapata (41% of residents), Medina (30%), Siesta Shores (11%), Falcon Lake Estates (7.4%) and Falcon Mesa (4.0%), in Zapata County, Texas. 5.9% of its residents live outside city limits. It is in Texas's 28th congressional district. Its state senate district is State Senate District 21; its state house district is State House District 31.

13,033residents (2020 Census)
552.0 sq miland area
7cities and towns
1congressional district
6voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Zapata41%
Medina30%
Siesta Shores11%
Falcon Lake Estates7.4%
Falcon Mesa4.0%
Las Palmas0.4%
Morales-Sanchez0.4%

CountyShare of ZIP residents
Zapata County100%

Town or county subdivisionShare of ZIP residents
Zapata CCD100%

Congressional district

Congressional districtShare of ZIP residents
Texas's 28th congressional district (TX-28)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 21100%

State house districtShare of ZIP residents
State House District 31100%

Voting precincts

6 voting precincts overlap ZIP 78076. 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:78076")

ZIP 78076 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.