Boundary Atlas

ZIP code 78056: Medina County, TX

ZIP code 78056 is in Medina County, Texas, outside any city or Census-designated place. It is in Texas's 23rd congressional district. Its state senate district is State Senate District 24; its state house district is State House District 53.

2,116residents (2020 Census)
103.2 sq miland area
1cities and towns
1congressional district
3voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
San Antonio0.2%

CountyShare of ZIP residents
Medina County100%

Town or county subdivisionShare of ZIP residents
Castroville-LaCoste CCD80%
Hondo CCD20%

Congressional district

Congressional districtShare of ZIP residents
Texas's 23rd congressional district (TX-23)100%

Elected officials

OfficeMemberContactShare of residents
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact formstatewide
U.S. SenatorTed Cruz (R)202-224-5922 · contact formstatewide
State Senator (State Senate District 24)Pete Flores (R)830-896-9816100%
State Representative (State House District 53)Wes Virdell (R)830-730-5925100%
U.S. Representative (TX-23)Vacant

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 24100%

State house districtShare of ZIP residents
State House District 53100%

Voting precincts

3 voting precincts overlap ZIP 78056. 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 78056 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.