Boundary Atlas

ZIP code 78233: San Antonio, TX

ZIP code 78233 is in San Antonio (69% of residents) and Live Oak (31%), in Bexar County, Texas. It is in Texas's 35th congressional district. Its state senate districts are State Senate District 26 (80%) and State Senate District 19 (20%); its state house districts are State House District 119 (50%), State House District 118 (44%), State House District 120 (6.1%) and State House District 121 (<0.1%).

49,442residents (2020 Census)
13.7 sq miland area
2cities and towns
1congressional district
23voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
San Antonio69%
Live Oak31%

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
MayorGina Ortiz Jones69%
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 26)José Menéndez (Democratic)210-733-660480%
State Senator (State Senate District 19)Roland Gutierrez (Democratic)830-278-123420%
State Representative (State House District 119)Liz Campos (Democratic)210-806-089950%
State Representative (State House District 118)John Lujan (R)210-595-006844%
State Representative (State House District 120)Barbara Gervin-Hawkins (Democratic)210-822-25346.1%
State Representative (State House District 121)Marc LaHood (R)210-640-1021<0.1%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2680%
State Senate District 1920%

State house districtShare of ZIP residents
State House District 11950%
State House District 11844%
State House District 1206.1%
State House District 121<0.1%

Voting precincts

23 voting precincts overlap ZIP 78233. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78233 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.