ZIP code 79109: Amarillo, TX
ZIP code 79109 is in Amarillo, in Randall County (85%) and Potter County (15%), 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 86 (85%) and State House District 87 (15%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Amarillo | 100% |
| County | Share of ZIP residents |
|---|---|
| Randall County | 85% |
| Potter County | 15% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Amarillo CCD | 85% |
| Amarillo CCD | 15% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 13th congressional district (TX-13) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Cole Stanley | 100% | |
| U.S. Representative (TX-13) | Ronny Jackson (R) | 202-225-3706 | 100% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 31) | Kevin Sparks (R) | 806-374-8994 | 100% |
| State Representative (State House District 86) | John Smithee (R) | 806-372-3327 | 85% |
| State Representative (State House District 87) | Caroline Dunmoyer (R) | 15% |
From Wikidata (community-maintained); confirm on the city's website.
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); Mayors: Wikidata (CC0).
Local government
- Amarillo website: https://www.amarillo.gov
- Amarillo laws: search for the Amarillo, Texas code of ordinances
- Randall County website: https://www.randallcounty.gov/
- Randall County laws: search for the Randall County, Texas code of ordinances
- Potter County website: https://www.co.potter.tx.us/
- Potter County laws: search for the Potter County, Texas code of ordinances
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 86 | 85% |
| State House District 87 | 15% |
Voting precincts
11 voting precincts overlap ZIP 79109. 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:79109")
ZIP 79109 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.