ZIP code 78003: Bandera County, TX
ZIP code 78003 is in Lake Medina Shores (12% of residents) and Bandera (8.6%), in Bandera County (94%) and Medina County (6.3%), Texas. 80% of its residents live outside city limits. It is in Texas's 21st congressional district (94%) and Texas's 23rd congressional district (6.3%). Its state senate district is State Senate District 24; its state house district is State House District 53.
City and county
| City or town | Share of ZIP residents |
|---|---|
| Lake Medina Shores | 12% |
| Bandera | 8.6% |
| County | Share of ZIP residents |
|---|---|
| Bandera County | 94% |
| Medina County | 6.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Bandera CCD | 93% |
| Hondo CCD | 6.2% |
| Medina CCD | 0.8% |
| D'Hanis CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 21st congressional district (TX-21) | 94% |
| Texas's 23rd congressional district (TX-23) | 6.3% |
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 |
|---|---|---|---|
| U.S. Representative (TX-21) | Chip Roy (R) | 202-225-4236 | 94% |
| 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 24) | Pete Flores (R) | 830-896-9816 | 100% |
| State Representative (State House District 53) | Wes Virdell (R) | 830-730-5925 | 100% |
| 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
- Lake Medina Shores laws: search for the Lake Medina Shores, Texas code of ordinances
- Bandera website: http://www.banderatex.com/
- Bandera laws: search for the Bandera, Texas code of ordinances
- Bandera County website: https://www.banderacounty.gov/
- Bandera County laws: search for the Bandera 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 24 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 53 | 100% |
Voting precincts
9 voting precincts overlap ZIP 78003. 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:78003")
ZIP 78003 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.