Boundary Atlas

ZIP code 78387: Sinton, TX

ZIP code 78387 is in Sinton (56% of residents), St. Paul (6.1%), Morgan Farm (5.8%), Rancho Chico (3.9%), Del Sol (3.4%), La Paloma Addition (3.2%) and Loma Linda (1.5%), in San Patricio County (95%) and Bee County (4.9%), Texas. 21% of its residents live outside city limits. It is in Texas's 15th congressional district. Its state senate district is State Senate District 27; its state house district is State House District 43.

9,936residents (2020 Census)
172.2 sq miland area
7cities and towns
1congressional district
9voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Sinton56%
St. Paul6.1%
Morgan Farm5.8%
Rancho Chico3.9%
Del Sol3.4%
La Paloma Addition3.2%
Loma Linda1.5%

CountyShare of ZIP residents
San Patricio County95%
Bee County4.9%

Town or county subdivisionShare of ZIP residents
Sinton-Odem CCD94%
Skidmore CCD4.9%
Taft CCD0.6%

Congressional district

Congressional districtShare of ZIP residents
Texas's 15th congressional district (TX-15)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-15)Monica De La Cruz (R)202-225-9901100%
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 27)Adam Hinojosa (R)956-542-2211100%
State Representative (State House District 43)J.M. Lozano (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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 27100%

State house districtShare of ZIP residents
State House District 43100%

Voting precincts

9 voting precincts overlap ZIP 78387. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78387 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.