Boundary Atlas

ZIP code 78383: Jim Wells County, TX

ZIP code 78383 is in Sandia (8.7% of residents) and Sandy Hollow-Escondidas (7.3%), in Jim Wells County (46%), Live Oak County (40%) and Nueces County (15%), Texas. 84% of its residents live outside city limits. It is in Texas's 15th congressional district (46%), Texas's 28th congressional district (40%) and Texas's 34th congressional district (15%). Its state senate districts are State Senate District 20 (60%) and State Senate District 21 (40%); its state house districts are State House District 43 (46%), State House District 31 (40%) and State House District 34 (15%).

3,757residents (2020 Census)
141.4 sq miland area
2cities and towns
3congressional districts
5voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Sandia8.7%
Sandy Hollow-Escondidas7.3%

CountyShare of ZIP residents
Jim Wells County46%
Live Oak County40%
Nueces County15%

Town or county subdivisionShare of ZIP residents
Orange Grove-Sandia CCD46%
George West CCD40%
Corpus Christi West CCD15%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 15th congressional district (TX-15)46%
Texas's 28th congressional district (TX-28)40%
Texas's 34th congressional district (TX-34)15%

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-15)Monica De La Cruz (R)202-225-990146%
U.S. Representative (TX-28)Henry Cuellar (D)202-225-164040%
U.S. Representative (TX-34)Vicente Gonzalez (D)202-225-253115%
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 20)Chuy Hinojosa (Democratic)361-882-090060%
State Senator (State Senate District 21)Judith Zaffirini (Democratic)956-722-229340%
State Representative (State House District 43)J.M. Lozano (R)46%
State Representative (State House District 31)Ryan Guillen (R)40%
State Representative (State House District 34)Denise Villalobos (R)361-265-460115%

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 2060%
State Senate District 2140%

State house districtShare of ZIP residents
State House District 4346%
State House District 3140%
State House District 3415%

Voting precincts

5 voting precincts overlap ZIP 78383. 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:78383")

ZIP 78383 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.