Boundary Atlas

ZIP code 79928: Horizon City, TX

ZIP code 79928 is in Horizon City (28% of residents), El Paso (14%), Sparks (6.0%) and Agua Dulce (4.1%), in El Paso County, Texas. 48% of its residents live outside city limits. It is in Texas's 16th congressional district (54%) and Texas's 23rd congressional district (46%). Its state senate district is State Senate District 29; its state house district is State House District 75.

78,971residents (2020 Census)
209.9 sq miland area
4cities and towns
2congressional districts
25voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Horizon City28%
El Paso14%
Sparks6.0%
Agua Dulce4.1%

CountyShare of ZIP residents
El Paso County100%

Town or county subdivisionShare of ZIP residents
El Paso East CCD100%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 16th congressional district (TX-16)54%
Texas's 23rd congressional district (TX-23)46%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (TX-16)Veronica Escobar (D)202-225-483154%
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 29)César Blanco (Democratic)915-577-0029100%
State Representative (State House District 75)Mary González (Democratic)100%
U.S. Representative (TX-23)Vacant

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 29100%

State house districtShare of ZIP residents
State House District 75100%

Voting precincts

25 voting precincts overlap ZIP 79928. 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:79928")

ZIP 79928 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.