ZIP code 77964: Hallettsville, TX
ZIP code 77964 is in Hallettsville (33% of residents), in Lavaca County (100%) and Colorado County (0.3%), Texas. 67% of its residents live outside city limits. It is in Texas's 15th congressional district (100%) and Texas's 27th congressional district (0.3%). Its state senate districts are State Senate District 18 (100%) and State Senate District 17 (0.3%); its state house districts are State House District 30 (100%) and State House District 85 (0.3%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| Hallettsville | 33% |
| County | Share of ZIP residents |
|---|---|
| Lavaca County | 100% |
| Colorado County | 0.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hallettsville CCD | 88% |
| Yoakum CCD | 9.4% |
| Moulton CCD | 2.6% |
| Weimar CCD | 0.3% |
| Shiner CCD | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 15th congressional district (TX-15) | 100% |
| Texas's 27th congressional district (TX-27) | 0.3% |
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-15) | Monica De La Cruz (R) | 202-225-9901 | 100% |
| U.S. Representative (TX-27) | Michael Cloud (R) | 202-225-7742 | 0.3% |
| 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 18) | Lois Kolkhorst (R) | 361-573-7300 | 100% |
| State Senator (State Senate District 17) | Joan Huffman (R) | 281-497-2450 | 0.3% |
| State Representative (State House District 30) | A.J. Louderback (R) | 361-582-9712 | 100% |
| State Representative (State House District 85) | Stan Kitzman (R) | 979-865-4560 | 0.3% |
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
- Hallettsville website: https://www.hallettsville.com/
- Hallettsville laws: search for the Hallettsville, Texas code of ordinances
- Lavaca County website: https://www.co.lavaca.tx.us/
- Lavaca County laws: search for the Lavaca County, Texas code of ordinances
- Colorado County website: https://www.co.colorado.tx.us/
- Colorado County laws: search for the Colorado County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State Senate District 17 | 0.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 30 | 100% |
| State House District 85 | 0.3% |
Voting precincts
9 voting precincts overlap ZIP 77964. 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:77964")
ZIP 77964 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.