Boundary Atlas

ZIP code 79423: Lubbock, TX

ZIP code 79423 is in Lubbock (84% of residents), in Lubbock County (100%) and Lynn County (0.2%), Texas. 16% of its residents live outside city limits. It is in Texas's 19th congressional district. Its state senate district is State Senate District 28; its state house districts are State House District 83 (87%) and State House District 84 (13%).

42,311residents (2020 Census)
64.2 sq miland area
1cities and towns
1congressional district
17voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Lubbock84%

CountyShare of ZIP residents
Lubbock County100%
Lynn County0.2%

Town or county subdivisionShare of ZIP residents
Lubbock CCD100%
Wilson CCD0.1%
Tahoka CCD0.1%

Congressional district

Congressional districtShare of ZIP residents
Texas's 19th congressional district (TX-19)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-19)Jodey C. Arrington (R)202-225-4005100%
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 28)Charles Perry (R)940-937-0909100%
State Representative (State House District 83)Dustin Burrows (R)806-795-063587%
State Representative (State House District 84)Carl Tepper (R)806-407-563313%

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 28100%

State house districtShare of ZIP residents
State House District 8387%
State House District 8413%

Voting precincts

17 voting precincts overlap ZIP 79423. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:79423")

ZIP 79423 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.