ZIP code 78108: Cibolo, TX
ZIP code 78108 is in Cibolo (73% of residents) and Schertz (26%), in Guadalupe County (96%), Comal County (2.5%) and Bexar County (1.0%), Texas. It is in Texas's 35th congressional district (98%) and Texas's 21st congressional district (2.5%). Its state senate districts are State Senate District 25 (99%) and State Senate District 19 (1.0%); its state house districts are State House District 44 (96%), State House District 73 (2.5%) and State House District 118 (1.0%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Cibolo | 73% |
| Schertz | 26% |
| County | Share of ZIP residents |
|---|---|
| Guadalupe County | 96% |
| Comal County | 2.5% |
| Bexar County | 1.0% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Schertz-Cibolo CCD | 94% |
| New Braunfels CCD | 2.5% |
| Southwest Guadalupe CCD | 2.1% |
| San Antonio Northeast CCD | 1.0% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 35th congressional district (TX-35) | 98% |
| Texas's 21st congressional district (TX-21) | 2.5% |
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 | Mark Allen | 73% | |
| U.S. Representative (TX-35) | Greg Casar (D) | 202-225-5645 | 98% |
| U.S. Representative (TX-21) | Chip Roy (R) | 202-225-4236 | 2.5% |
| 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 25) | Donna Campbell (R) | 830-626-0065 | 99% |
| State Senator (State Senate District 19) | Roland Gutierrez (Democratic) | 830-278-1234 | 1.0% |
| State Representative (State House District 44) | Alan Schoolcraft (R) | 96% | |
| State Representative (State House District 73) | Carrie Isaac (R) | 830-730-6248 | 2.5% |
| State Representative (State House District 118) | John Lujan (R) | 210-595-0068 | 1.0% |
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
- Cibolo website: http://www.cibolotx.gov
- Cibolo laws: search for the Cibolo, Texas code of ordinances
- Schertz website: http://schertz.com
- Schertz laws: search for the Schertz, Texas code of ordinances
- Guadalupe County website: https://www.guadalupetx.gov/
- Guadalupe County laws: search for the Guadalupe County, Texas code of ordinances
- Comal County website: https://www.comalcounty.gov/
- Comal County laws: search for the Comal County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 99% |
| State Senate District 19 | 1.0% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 44 | 96% |
| State House District 73 | 2.5% |
| State House District 118 | 1.0% |
Voting precincts
13 voting precincts overlap ZIP 78108. 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:78108")
ZIP 78108 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.