ZIP code 78253: Bexar County, TX
ZIP code 78253 is in San Antonio (4.0% of residents), in Bexar County (95%) and Medina County (5.2%), Texas. 96% of its residents live outside city limits. It is in Texas's 23rd congressional district (79%) and Texas's 20th congressional district (21%). Its state senate districts are State Senate District 19 (95%) and State Senate District 24 (5.2%); its state house districts are State House District 117 (93%), State House District 53 (5.2%) and State House District 122 (1.6%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Antonio | 4.0% |
| County | Share of ZIP residents |
|---|---|
| Bexar County | 95% |
| Medina County | 5.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Antonio West CCD | 90% |
| Castroville-LaCoste CCD | 5.2% |
| San Antonio Northwest CCD | 4.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 23rd congressional district (TX-23) | 79% |
| Texas's 20th congressional district (TX-20) | 21% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TX-20) | Joaquin Castro (D) | 202-225-3236 | 21% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 19) | Roland Gutierrez (Democratic) | 830-278-1234 | 95% |
| State Senator (State Senate District 24) | Pete Flores (R) | 830-896-9816 | 5.2% |
| State Representative (State House District 117) | Philip Cortez (Democratic) | 210-923-3638 | 93% |
| State Representative (State House District 53) | Wes Virdell (R) | 830-730-5925 | 5.2% |
| State Representative (State House District 122) | Mark Dorazio (R) | 1.6% | |
| U.S. Representative (TX-23) | Vacant |
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
- San Antonio website: https://www.sa.gov/
- San Antonio council: San Antonio City Council
- San Antonio laws: search for the San Antonio, Texas code of ordinances
- Bexar County website: https://bexar.gov
- Bexar County laws: search for the Bexar County, Texas code of ordinances
- Medina County website: https://www.medinatx.gov/
- Medina County laws: search for the Medina County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 95% |
| State Senate District 24 | 5.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 117 | 93% |
| State House District 53 | 5.2% |
| State House District 122 | 1.6% |
Voting precincts
25 voting precincts overlap ZIP 78253. 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:78253")
ZIP 78253 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.