Boundary Atlas

ZIP code 76240: Gainesville, TX

ZIP code 76240 is in Gainesville (61% of residents), Lake Kiowa (8.0%) and Callisburg (1.1%), in Cooke County (100%) and Grayson County (0.1%), Texas. 30% of its residents live outside city limits. It is in Texas's 26th congressional district (100%) and Texas's 4th congressional district (0.1%). Its state senate district is State Senate District 30; its state house districts are State House District 68 (100%) and State House District 62 (0.1%).

28,349residents (2020 Census)
369.4 sq miland area
5cities and towns
2congressional districts
17voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Gainesville61%
Lake Kiowa8.0%
Callisburg1.1%
Oak Ridge0.9%
Lindsay0.7%

CountyShare of ZIP residents
Cooke County100%
Grayson County0.1%

Town or county subdivisionShare of ZIP residents
Gainesville CCD61%
Gainesville Southeast CCD15%
Callisburg CCD14%
Valley View CCD5.5%
Muenster CCD3.9%
Southwest Grayson CCD0.1%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 26th congressional district (TX-26)100%
Texas's 4th congressional district (TX-04)0.1%

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-26)Brandon Gill (R)202-225-7772100%
U.S. Representative (TX-04)Pat Fallon (R)202-225-66730.1%
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 30)Brent Hagenbuch (R)940-323-9338100%
State Representative (State House District 68)David Spiller (R)100%
State Representative (State House District 62)Shelley Luther (R)0.1%

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 30100%

State house districtShare of ZIP residents
State House District 68100%
State House District 620.1%

Voting precincts

17 voting precincts overlap ZIP 76240. 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:

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ZIP 76240 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.