Boundary Atlas

ZIP code 78738: Bee Cave, TX

ZIP code 78738 is in Bee Cave (31% of residents), Lakeway (23%) and The Hills (8.8%), in Travis County, Texas. 37% of its residents live outside city limits. It is in Texas's 10th congressional district. Its state senate district is State Senate District 25; its state house districts are State House District 47 (66%) and State House District 19 (34%).

29,529residents (2020 Census)
42.1 sq miland area
3cities and towns
1congressional district
10voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Bee Cave31%
Lakeway23%
The Hills8.8%

CountyShare of ZIP residents
Travis County100%

Town or county subdivisionShare of ZIP residents
Southwest Travis CCD98%
Austin CCD2.0%

Congressional district

Congressional districtShare of ZIP residents
Texas's 10th congressional district (TX-10)100%

Elected officials

OfficeMemberContactShare of residents
MayorKara King31%
U.S. Representative (TX-10)Michael T. McCaul (R)202-225-2401100%
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 25)Donna Campbell (R)830-626-0065100%
State Representative (State House District 47)Vikki Goodwin (Democratic)66%
State Representative (State House District 19)Ellen Troxclair (R)34%

From Wikidata (community-maintained); confirm on the city's website.

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); Mayors: Wikidata (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 25100%

State house districtShare of ZIP residents
State House District 4766%
State House District 1934%

Voting precincts

10 voting precincts overlap ZIP 78738. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78738 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.