Boundary Atlas

ZIP code 78151: Runge, TX

ZIP code 78151 is in Runge (69% of residents), in Karnes County (99%) and DeWitt County (0.7%), Texas. 31% of its residents live outside city limits. It is in Texas's 35th congressional district (99%) and Texas's 15th congressional district (0.7%). Its state senate districts are State Senate District 21 (99%) and State Senate District 18 (0.7%); its state house districts are State House District 31 (99%) and State House District 30 (0.7%).

1,299residents (2020 Census)
107.4 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
Runge69%

CountyShare of ZIP residents
Karnes County99%
DeWitt County0.7%

Town or county subdivisionShare of ZIP residents
Runge CCD94%
Kenedy CCD5.0%
Yorktown CCD0.7%

Congressional districts

Congressional districtShare of ZIP residents
Texas's 35th congressional district (TX-35)99%
Texas's 15th congressional district (TX-15)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 2199%
State Senate District 180.7%

State house districtShare of ZIP residents
State House District 3199%
State House District 300.7%

Voting precincts

5 voting precincts overlap ZIP 78151. 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:78151")

ZIP 78151 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.