ZIP code 78230: San Antonio, TX
ZIP code 78230 is in San Antonio (98% of residents) and Shavano Park (1.8%), in Bexar County, Texas. It is in Texas's 21st congressional district (90%), Texas's 23rd congressional district (10%) and Texas's 20th congressional district (<0.1%). Its state senate districts are State Senate District 26 (98%) and State Senate District 25 (1.8%); its state house districts are State House District 123 (45%), State House District 116 (34%) and State House District 122 (20%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Antonio | 98% |
| Shavano Park | 1.8% |
| County | Share of ZIP residents |
|---|---|
| Bexar County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Antonio North CCD | 99% |
| San Antonio Northwest CCD | 0.8% |
| San Antonio Central CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 21st congressional district (TX-21) | 90% |
| Texas's 23rd congressional district (TX-23) | 10% |
| Texas's 20th congressional district (TX-20) | <0.1% |
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 |
|---|---|---|---|
| Mayor | Gina Ortiz Jones | 98% | |
| U.S. Representative (TX-21) | Chip Roy (R) | 202-225-4236 | 90% |
| U.S. Representative (TX-20) | Joaquin Castro (D) | 202-225-3236 | <0.1% |
| 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 26) | José Menéndez (Democratic) | 210-733-6604 | 98% |
| State Senator (State Senate District 25) | Donna Campbell (R) | 830-626-0065 | 1.8% |
| State Representative (State House District 123) | Diego Bernal (Democratic) | 210-308-9700 | 45% |
| State Representative (State House District 116) | Trey Martinez Fischer (Democratic) | 210-733-8391 | 34% |
| State Representative (State House District 122) | Mark Dorazio (R) | 20% | |
| U.S. Representative (TX-23) | Vacant |
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
- 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
- Shavano Park website: https://www.shavanopark.org/
- Shavano Park laws: search for the Shavano Park, Texas code of ordinances
- Bexar County website: https://bexar.gov
- Bexar County laws: search for the Bexar County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 26 | 98% |
| State Senate District 25 | 1.8% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 123 | 45% |
| State House District 116 | 34% |
| State House District 122 | 20% |
Voting precincts
24 voting precincts overlap ZIP 78230. 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:78230")
ZIP 78230 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.