Boundary Atlas

ZIP code 78266: Garden Ridge, TX

ZIP code 78266 is in Garden Ridge (56% of residents) and San Antonio (19%), in Comal County (80%) and Bexar County (20%), Texas. 25% of its residents live outside city limits. It is in Texas's 21st congressional district (81%) and Texas's 35th congressional district (19%). Its state senate district is State Senate District 25; its state house districts are State House District 73 (80%), State House District 118 (19%) and State House District 121 (1.2%).

7,534residents (2020 Census)
39.7 sq miland area
3cities and towns
2congressional districts
8voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Garden Ridge56%
San Antonio19%
Schertz0.2%

CountyShare of ZIP residents
Comal County80%
Bexar County20%

Town or county subdivisionShare of ZIP residents
New Braunfels CCD80%
San Antonio Northeast CCD19%
San Antonio North CCD1.2%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 21st congressional district (TX-21)81%
Texas's 35th congressional district (TX-35)19%

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

OfficeMemberContactShare of residents
U.S. Representative (TX-21)Chip Roy (R)202-225-423681%
U.S. Representative (TX-35)Greg Casar (D)202-225-564519%
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact formstatewide
U.S. SenatorTed Cruz (R)202-224-5922 · contact formstatewide
State Senator (State Senate District 25)Donna Campbell (R)830-626-0065100%
State Representative (State House District 73)Carrie Isaac (R)830-730-624880%
State Representative (State House District 118)John Lujan (R)210-595-006819%
State Representative (State House District 121)Marc LaHood (R)210-640-10211.2%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
State House District 7380%
State House District 11819%
State House District 1211.2%

Voting precincts

8 voting precincts overlap ZIP 78266. Map them, with each precinct's share of the ZIP's residents.

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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:78266")

ZIP 78266 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.