Boundary Atlas

ZIP code 78232: San Antonio, TX

ZIP code 78232 is in San Antonio (88% of residents), Hollywood Park (8.8%) and Hill Country Village (2.7%), in Bexar County, Texas. It is in Texas's 21st congressional district (50%), Texas's 23rd congressional district (27%) and Texas's 35th congressional district (23%). Its state senate district is State Senate District 25; its state house districts are State House District 121 (76%) and State House District 122 (24%).

35,397residents (2020 Census)
11.9 sq miland area
3cities and towns
3congressional districts
16voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
San Antonio88%
Hollywood Park8.8%
Hill Country Village2.7%

CountyShare of ZIP residents
Bexar County100%

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

Congressional districts

Congressional districtShare of ZIP residents
Texas's 21st congressional district (TX-21)50%
Texas's 23rd congressional district (TX-23)27%
Texas's 35th congressional district (TX-35)23%

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.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
State House District 12176%
State House District 12224%

Voting precincts

16 voting precincts overlap ZIP 78232. 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:78232")

ZIP 78232 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.