Boundary Atlas

ZIP code 76578: Thrall, TX

ZIP code 76578 is in Thrall (45% of residents), in Williamson County (98%) and Milam County (1.9%), Texas. 55% of its residents live outside city limits. It is in Texas's 17th congressional district (95%) and Texas's 31st congressional district (5.5%). Its state senate district is State Senate District 5; its state house districts are State House District 52 (98%) and State House District 17 (1.9%).

1,817residents (2020 Census)
65.2 sq miland area
2cities and towns
2congressional districts
3voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Thrall45%
Thorndale0.2%

CountyShare of ZIP residents
Williamson County98%
Milam County1.9%

Town or county subdivisionShare of ZIP residents
Taylor CCD98%
Thorndale CCD1.9%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 17th congressional district (TX-17)95%
Texas's 31st congressional district (TX-31)5.5%

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

OfficeMemberContactShare of residents
U.S. Representative (TX-17)Pete Sessions (R)202-225-610595%
U.S. Representative (TX-31)John R. Carter (R)202-225-38645.5%
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 5)Charles Schwertner (R)512-863-8456100%
State Representative (State House District 52)Caroline Harris Davila (R)512-255-661298%
State Representative (State House District 17)Stan Gerdes (R)512-321-37201.9%

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 5100%

State house districtShare of ZIP residents
State House District 5298%
State House District 171.9%

Voting precincts

3 voting precincts overlap ZIP 76578. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:76578")

ZIP 76578 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.