ZIP code 79103: Amarillo, TX

ZIP code 79103 is in Amarillo, in Potter County (60%) and Randall County (40%), Texas. It is in Texas's 13th congressional district. Its state senate district is State Senate District 31; its state house districts are State House District 87 (60%) and State House District 86 (40%).

10,532residents (2020 Census)

4.3 sq miland area

1cities and towns

1congressional district

4voting precincts

See it on the map All of Texas

City and county

City or town	Share of ZIP residents
Amarillo	100%

County	Share of ZIP residents
Potter County	60%
Randall County	40%

Town or county subdivision	Share of ZIP residents
Amarillo CCD	60%
Amarillo CCD	40%

Congressional district

Congressional district	Share of ZIP residents
Texas's 13th congressional district (TX-13)	100%

Members of Congress

Office	Member	Contact
U.S. Representative (TX-13)	Ronny Jackson (R)	202-225-3706
U.S. Senator	John Cornyn (R)	202-224-2934 · contact form
U.S. Senator	Ted Cruz (R)	202-224-5922 · contact form

Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate district	Share of ZIP residents
State Senate District 31	100%

State house district	Share of ZIP residents
State House District 87	60%
State House District 86	40%

Voting precincts

4 voting precincts overlap ZIP 79103. Map them, with each precinct's share of the ZIP's residents.

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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:

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ZIP 79103 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.