Boundary Atlas

ZIP code 78723: Austin, TX

ZIP code 78723 is in Austin, in Travis County, Texas. It is in Texas's 37th congressional district. Its state senate district is State Senate District 14; its state house districts are State House District 46 (66%) and State House District 50 (34%).

34,522residents (2020 Census)
7.1 sq miland area
1cities and towns
1congressional district
11voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Austin100%

CountyShare of ZIP residents
Travis County100%

Town or county subdivisionShare of ZIP residents
Austin CCD100%

Congressional district

Congressional districtShare of ZIP residents
Texas's 37th congressional district (TX-37)100%

Elected officials

OfficeMemberContactShare of residents
MayorKirk Watson512-978-2100100%
U.S. Representative (TX-37)Lloyd Doggett (D)202-225-4865100%
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 14)Sarah Eckhardt (Democratic)100%
State Representative (State House District 46)Sheryl Cole (Democratic)66%
State Representative (State House District 50)James Talarico (Democratic)34%

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: Mayors: Open States (public domain); 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 14100%

State house districtShare of ZIP residents
State House District 4666%
State House District 5034%

Voting precincts

11 voting precincts overlap ZIP 78723. Map them, with each precinct's share of the ZIP's residents.

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ZIP 78723 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.