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%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Runge | 69% |
| County | Share of ZIP residents |
|---|---|
| Karnes County | 99% |
| DeWitt County | 0.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Runge CCD | 94% |
| Kenedy CCD | 5.0% |
| Yorktown CCD | 0.7% |
Congressional districts
| Congressional district | Share 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.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (TX-35) | Greg Casar (D) | 202-225-5645 | 99% |
| U.S. Representative (TX-15) | Monica De La Cruz (R) | 202-225-9901 | 0.7% |
| U.S. Senator | John Cornyn (R) | 202-224-2934 · contact form | statewide |
| U.S. Senator | Ted Cruz (R) | 202-224-5922 · contact form | statewide |
| State Senator (State Senate District 21) | Judith Zaffirini (Democratic) | 956-722-2293 | 99% |
| State Senator (State Senate District 18) | Lois Kolkhorst (R) | 361-573-7300 | 0.7% |
| State Representative (State House District 31) | Ryan Guillen (R) | 99% | |
| State Representative (State House District 30) | A.J. Louderback (R) | 361-582-9712 | 0.7% |
Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Runge laws: search for the Runge, Texas code of ordinances
- Karnes County website: https://www.co.karnes.tx.us/
- Karnes County laws: search for the Karnes County, Texas code of ordinances
- DeWitt County website: https://www.co.dewitt.tx.us/
- DeWitt County laws: search for the DeWitt County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 21 | 99% |
| State Senate District 18 | 0.7% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 31 | 99% |
| State House District 30 | 0.7% |
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://boundarymcp.com/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.