Boundary Atlas

ZIP code 78834: Carrizo Springs, TX

ZIP code 78834 is in Carrizo Springs (69% of residents) and Carrizo Hill (7.8%), in Dimmit County (100%) and Zavala County (0.3%), Texas. 23% of its residents live outside city limits. It is in Texas's 28th congressional district (100%) and Texas's 23rd congressional district (0.3%). Its state senate districts are State Senate District 21 (100%) and State Senate District 19 (0.3%); its state house district is State House District 80.

7,061residents (2020 Census)
511.1 sq miland area
3cities and towns
2congressional districts
7voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Carrizo Springs69%
Carrizo Hill7.8%
Brundage0.2%

CountyShare of ZIP residents
Dimmit County100%
Zavala County0.3%

Town or county subdivisionShare of ZIP residents
Carrizo Springs CCD99%
Big Wells CCD0.5%
Crystal City CCD0.3%
Asherton CCD<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 28th congressional district (TX-28)100%
Texas's 23rd congressional district (TX-23)0.3%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-28)Henry Cuellar (D)202-225-1640100%
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 21)Judith Zaffirini (Democratic)956-722-2293100%
State Senator (State Senate District 19)Roland Gutierrez (Democratic)830-278-12340.3%
State Representative (State House District 80)Don McLaughlin (R)100%
U.S. Representative (TX-23)Vacant

Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

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 21100%
State Senate District 190.3%

State house districtShare of ZIP residents
State House District 80100%

Voting precincts

7 voting precincts overlap ZIP 78834. 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:78834")

ZIP 78834 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.