ZIP code 75831: Buffalo, TX
ZIP code 75831 is in Buffalo (36% of residents), in Leon County (87%) and Freestone County (13%), Texas. 64% of its residents live outside city limits. It is in Texas's 10th congressional district (87%) and Texas's 17th congressional district (13%). Its state senate district is State Senate District 5; its state house district is State House District 13.
City and county
| City or town | Share of ZIP residents |
|---|---|
| Buffalo | 36% |
| County | Share of ZIP residents |
|---|---|
| Leon County | 87% |
| Freestone County | 13% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Buffalo CCD | 75% |
| Centerville CCD | 10% |
| Teague CCD | 8.6% |
| Butler CCD | 4.2% |
| Oakwood CCD | 1.7% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 10th congressional district (TX-10) | 87% |
| Texas's 17th congressional district (TX-17) | 13% |
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
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Jerrod Jones | 36% | |
| U.S. Representative (TX-10) | Michael T. McCaul (R) | 202-225-2401 | 87% |
| U.S. Representative (TX-17) | Pete Sessions (R) | 202-225-6105 | 13% |
| 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 5) | Charles Schwertner (R) | 512-863-8456 | 100% |
| State Representative (State House District 13) | Angelia Orr (R) | 100% |
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
- Buffalo website: http://buffalotex.com
- Buffalo laws: search for the Buffalo, Texas code of ordinances
- Leon County website: https://www.co.leon.tx.us/
- Leon County laws: search for the Leon County, Texas code of ordinances
- Freestone County website: https://www.co.freestone.tx.us/
- Freestone County laws: search for the Freestone County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 5 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 13 | 100% |
Voting precincts
8 voting precincts overlap ZIP 75831. 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:75831")
ZIP 75831 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.