Boundary Atlas

ZIP code 78662: Bastrop County, TX

ZIP code 78662 is in Red Rock (14% of residents) and Rosanky (1.2%), in Bastrop County (87%) and Caldwell County (13%), Texas. 85% of its residents live outside city limits. It is in Texas's 27th congressional district. Its state senate districts are State Senate District 5 (87%) and State Senate District 21 (13%); its state house district is State House District 17.

2,890residents (2020 Census)
67.4 sq miland area
2cities and towns
1congressional district
4voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Red Rock14%
Rosanky1.2%

CountyShare of ZIP residents
Bastrop County87%
Caldwell County13%

Town or county subdivisionShare of ZIP residents
Cedar Creek-Red Rock CCD82%
Lockhart CCD13%
Smithville CCD5.5%

Congressional district

Congressional districtShare of ZIP residents
Texas's 27th congressional district (TX-27)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-27)Michael Cloud (R)202-225-7742100%
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)512-863-845687%
State Senator (State Senate District 21)Judith Zaffirini (Democratic)956-722-229313%
State Representative (State House District 17)Stan Gerdes (R)512-321-3720100%

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 587%
State Senate District 2113%

State house districtShare of ZIP residents
State House District 17100%

Voting precincts

4 voting precincts overlap ZIP 78662. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78662 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.