Boundary Atlas

ZIP code 78340: Bayside, TX

ZIP code 78340 is in Bayside (81% of residents), in Refugio County, Texas. 19% of its residents live outside city limits. It is in Texas's 15th congressional district. Its state senate district is State Senate District 18; its state house district is State House District 43.

341residents (2020 Census)
20.7 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Bayside81%

CountyShare of ZIP residents
Refugio County100%

Town or county subdivisionShare of ZIP residents
Woodsboro CCD100%

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 18)Lois Kolkhorst (R)361-573-7300100%
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 18100%

State house districtShare of ZIP residents
State House District 43100%

Voting precincts

1 voting precinct overlap ZIP 78340. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78340 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.