Boundary Atlas

ZIP code 77657: Lumberton, TX

ZIP code 77657 is in Lumberton (61% of residents) and Rose Hill Acres (1.5%), in Hardin County, Texas. 37% of its residents live outside city limits. It is in Texas's 36th congressional district. Its state senate district is State Senate District 3; its state house district is State House District 18.

22,161residents (2020 Census)
57.7 sq miland area
2cities and towns
1congressional district
6voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Lumberton61%
Rose Hill Acres1.5%

CountyShare of ZIP residents
Hardin County100%

Town or county subdivisionShare of ZIP residents
Lumberton CCD73%
Kountze CCD26%
Sour Lake CCD1.1%

Congressional district

Congressional districtShare of ZIP residents
Texas's 36th congressional district (TX-36)100%

Members of Congress

OfficeMemberContact
U.S. Representative (TX-36)Brian Babin (R)202-225-1555
U.S. SenatorJohn Cornyn (R)202-224-2934 · contact form
U.S. SenatorTed 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 districtShare of ZIP residents
State Senate District 3100%

State house districtShare of ZIP residents
State House District 18100%

Voting precincts

6 voting precincts overlap ZIP 77657. 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:77657")

ZIP 77657 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.