ZIP code 78223: San Antonio, TX
ZIP code 78223 is in San Antonio (89% of residents), in Bexar County (99%) and Wilson County (0.9%), Texas. 11% of its residents live outside city limits. It is in Texas's 35th congressional district (100%) and Texas's 20th congressional district (0.3%). Its state senate districts are State Senate District 19 (82%), State Senate District 26 (13%) and State Senate District 21 (5.0%); its state house districts are State House District 119 (84%), State House District 118 (16%) and State House District 31 (0.9%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| San Antonio | 89% |
| County | Share of ZIP residents |
|---|---|
| Bexar County | 99% |
| Wilson County | 0.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| San Antonio Central CCD | 84% |
| San Antonio East CCD | 16% |
| Floresville CCD | 0.9% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 35th congressional district (TX-35) | 100% |
| Texas's 20th congressional district (TX-20) | 0.3% |
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 | 89% | |
| U.S. Representative (TX-35) | Greg Casar (D) | 202-225-5645 | 100% |
| U.S. Representative (TX-20) | Joaquin Castro (D) | 202-225-3236 | 0.3% |
| 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 | 82% |
| State Senator (State Senate District 26) | José Menéndez (Democratic) | 210-733-6604 | 13% |
| State Senator (State Senate District 21) | Judith Zaffirini (Democratic) | 956-722-2293 | 5.0% |
| State Representative (State House District 119) | Liz Campos (Democratic) | 210-806-0899 | 84% |
| State Representative (State House District 118) | John Lujan (R) | 210-595-0068 | 16% |
| State Representative (State House District 31) | Ryan Guillen (R) | 0.9% |
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
- Bexar County website: https://bexar.gov
- Bexar County laws: search for the Bexar County, Texas code of ordinances
- Wilson County website: https://www.co.wilson.tx.us/
- Wilson County laws: search for the Wilson County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 82% |
| State Senate District 26 | 13% |
| State Senate District 21 | 5.0% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 119 | 84% |
| State House District 118 | 16% |
| State House District 31 | 0.9% |
Voting precincts
27 voting precincts overlap ZIP 78223. 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:78223")
ZIP 78223 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.