Boundary Atlas

ZIP code 78956: Schulenburg, TX

ZIP code 78956 is in Schulenburg (51% of residents), in Fayette County (91%) and Lavaca County (9.2%), Texas. 49% of its residents live outside city limits. It is in Texas's 27th congressional district (91%) and Texas's 15th congressional district (9.2%). Its state senate district is State Senate District 18; its state house districts are State House District 85 (91%) and State House District 30 (9.2%).

5,161residents (2020 Census)
169.2 sq miland area
1cities and towns
2congressional districts
5voting precincts

See it on the mapAll of Texas

City and county

City or townShare of ZIP residents
Schulenburg51%

CountyShare of ZIP residents
Fayette County91%
Lavaca County9.2%

Town or county subdivisionShare of ZIP residents
Schulenburg CCD79%
Flatonia CCD10%
Moulton CCD5.8%
Hallettsville CCD3.3%
La Grange West CCD1.4%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 27th congressional district (TX-27)91%
Texas's 15th congressional district (TX-15)9.2%

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 18100%

State house districtShare of ZIP residents
State House District 8591%
State House District 309.2%

Voting precincts

5 voting precincts overlap ZIP 78956. 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:78956")

ZIP 78956 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.