Boundary Atlas

ZIP code 78224: San Antonio, TX

ZIP code 78224 is in San Antonio, 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 117 (67%) and State House District 118 (33%).

21,759residents (2020 Census)
15.3 sq miland area
1cities and towns
1congressional district
9voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
San Antonio100%

CountyShare of ZIP residents
Bexar County100%

Town or county subdivisionShare of ZIP residents
San Antonio Central CCD74%
San Antonio South CCD26%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
MayorGina Ortiz Jones100%
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 117)Philip Cortez (Democratic)210-923-363867%
State Representative (State House District 118)John Lujan (R)210-595-006833%

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 19100%

State house districtShare of ZIP residents
State House District 11767%
State House District 11833%

Voting precincts

9 voting precincts overlap ZIP 78224. 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:78224")

ZIP 78224 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.