ZIP code 76857: Thunderbird Bay, TX
ZIP code 76857 is in Thunderbird Bay (42% of residents) and May (15%), in Brown County (99%) and Comanche County (0.7%), Texas. 43% of its residents live outside city limits. It is in Texas's 11th congressional district (99%) and Texas's 25th congressional district (0.7%). Its state senate districts are State Senate District 10 (99%) and State Senate District 22 (0.7%); its state house district is State House District 68.
City and county
| City or town | Share of ZIP residents |
|---|---|
| Thunderbird Bay | 42% |
| May | 15% |
| County | Share of ZIP residents |
|---|---|
| Brown County | 99% |
| Comanche County | 0.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| May CCD | 92% |
| Blanket CCD | 7.2% |
| Comanche CCD | 0.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 11th congressional district (TX-11) | 99% |
| Texas's 25th congressional district (TX-25) | 0.7% |
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-11) | August Pfluger (R) | 202-225-3605 | 99% |
| U.S. Representative (TX-25) | Roger Williams (R) | 202-225-9896 | 0.7% |
| 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 10) | Phil King (R) | 817-596-4796 | 99% |
| State Representative (State House District 68) | David Spiller (R) | 100% |
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
- Thunderbird Bay laws: search for the Thunderbird Bay, Texas code of ordinances
- May laws: search for the May, Texas code of ordinances
- Brown County website: https://www.browncountytx.org/
- Brown County laws: search for the Brown County, Texas code of ordinances
- Comanche County website: https://www.co.comanche.tx.us/
- Comanche County laws: search for the Comanche County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 10 | 99% |
| State Senate District 22 | 0.7% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 68 | 100% |
Voting precincts
5 voting precincts overlap ZIP 76857. 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:76857")
ZIP 76857 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.