Boundary Atlas

ZIP code 75604: Longview, TX

ZIP code 75604 is in Longview (92% of residents), in Gregg County (99%) and Upshur County (0.7%), Texas. 7.5% of its residents live outside city limits. It is in Texas's 1st congressional district (99%) and Texas's 32nd congressional district (0.7%). Its state senate district is State Senate District 1; its state house districts are State House District 7 (99%) and State House District 5 (0.7%).

30,752residents (2020 Census)
44.1 sq miland area
4cities and towns
2congressional districts
10voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Longview92%
East Mountain0.6%
White Oak0.6%
Clarksville City0.5%

CountyShare of ZIP residents
Gregg County99%
Upshur County0.7%

Town or county subdivisionShare of ZIP residents
Longview CCD94%
Longview Northwest CCD4.3%
Gladewater CCD1.2%
Gladewater CCD0.7%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 1st congressional district (TX-01)99%
Texas's 32nd congressional district (TX-32)0.7%

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.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1100%

State house districtShare of ZIP residents
State House District 799%
State House District 50.7%

Voting precincts

10 voting precincts overlap ZIP 75604. 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:75604")

ZIP 75604 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.