Boundary Atlas

ZIP code 75486: Lamar County, TX

ZIP code 75486 is in Lamar County, Texas, outside any city or Census-designated place. It is in Texas's 4th congressional district. Its state senate district is State Senate District 1; its state house district is State House District 1.

2,698residents (2020 Census)
109.2 sq miland area
0cities and towns
1congressional district
4voting precincts

See it on the mapAll of Texas

City and county

Outside any city or Census-designated place.


CountyShare of ZIP residents
Lamar County100%

Town or county subdivisionShare of ZIP residents
Sumner CCD100%

Congressional district

Congressional districtShare of ZIP residents
Texas's 4th congressional district (TX-04)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 1100%

Voting precincts

4 voting precincts overlap ZIP 75486. 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:

related_geographies(id="us:zcta:75486")

ZIP 75486 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.