ZIP code 78631: Harper, TX
ZIP code 78631 is in Harper (49% of residents), in Gillespie County (78%), Kimble County (14%) and Kerr County (7.8%), Texas. 51% of its residents live outside city limits. It is in Texas's 21st congressional district (86%) and Texas's 11th congressional district (14%). Its state senate district is State Senate District 24; its state house districts are State House District 19 (78%) and State House District 53 (22%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Harper | 49% |
| County | Share of ZIP residents |
|---|---|
| Gillespie County | 78% |
| Kimble County | 14% |
| Kerr County | 7.8% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Harper CCD | 78% |
| Junction Southeast CCD | 14% |
| Ingram CCD | 7.8% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 21st congressional district (TX-21) | 86% |
| Texas's 11th congressional district (TX-11) | 14% |
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-21) | Chip Roy (R) | 202-225-4236 | 86% |
| U.S. Representative (TX-11) | August Pfluger (R) | 202-225-3605 | 14% |
| 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 24) | Pete Flores (R) | 830-896-9816 | 100% |
| State Representative (State House District 19) | Ellen Troxclair (R) | 78% | |
| State Representative (State House District 53) | Wes Virdell (R) | 830-730-5925 | 22% |
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
- Harper laws: search for the Harper, Texas code of ordinances
- Gillespie County website: https://www.gillespiecounty.gov/
- Gillespie County laws: search for the Gillespie County, Texas code of ordinances
- Kimble County website: https://www.co.kimble.tx.us/
- Kimble County laws: search for the Kimble County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 24 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 19 | 78% |
| State House District 53 | 22% |
Voting precincts
7 voting precincts overlap ZIP 78631. 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:78631")
ZIP 78631 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.