Boundary Atlas

ZIP code 78148: Universal City, TX

ZIP code 78148 is in Universal City (91% of residents), Randolph AFB (5.9%) and Live Oak (2.5%), in Bexar County, Texas. It is in Texas's 35th congressional district. Its state senate district is State Senate District 19; its state house districts are State House District 118 (73%) and State House District 119 (27%).

21,569residents (2020 Census)
9.6 sq miland area
3cities and towns
1congressional district
12voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Universal City91%
Randolph AFB5.9%
Live Oak2.5%

CountyShare of ZIP residents
Bexar County100%

Town or county subdivisionShare of ZIP residents
San Antonio Northeast CCD100%

Congressional district

Congressional districtShare of ZIP residents
Texas's 35th congressional district (TX-35)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-35)Greg Casar (D)202-225-5645100%
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 19)Roland Gutierrez (Democratic)830-278-1234100%
State Representative (State House District 118)John Lujan (R)210-595-006873%
State Representative (State House District 119)Liz Campos (Democratic)210-806-089927%

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 19100%

State house districtShare of ZIP residents
State House District 11873%
State House District 11927%

Voting precincts

12 voting precincts overlap ZIP 78148. 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 78148 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.