ZIP code 78945: La Grange, TX
ZIP code 78945 is in La Grange (42% of residents) and Plum (1.3%), in Fayette County (100%), Bastrop County (<0.1%) and Lee County (<0.1%), Texas. 57% of its residents live outside city limits. It is in Texas's 27th congressional district (100%) and Texas's 10th congressional district (<0.1%). Its state senate districts are State Senate District 18 (100%) and State Senate District 5 (<0.1%); its state house districts are State House District 85 (100%) and State House District 17 (0.1%).
City and county
| City or town | Share of ZIP residents |
|---|---|
| La Grange | 42% |
| Plum | 1.3% |
| County | Share of ZIP residents |
|---|---|
| Fayette County | 100% |
| Bastrop County | <0.1% |
| Lee County | <0.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| La Grange CCD | 67% |
| La Grange West CCD | 29% |
| Schulenburg CCD | 2.6% |
| Fayetteville CCD | 0.7% |
| Flatonia CCD | 0.2% |
| Round Top CCD | 0.1% |
| Smithville CCD | <0.1% |
| Giddings CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Texas's 27th congressional district (TX-27) | 100% |
| Texas's 10th congressional district (TX-10) | <0.1% |
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-27) | Michael Cloud (R) | 202-225-7742 | 100% |
| U.S. Representative (TX-10) | Michael T. McCaul (R) | 202-225-2401 | <0.1% |
| 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 5) | Charles Schwertner (R) | 512-863-8456 | <0.1% |
| State Representative (State House District 85) | Stan Kitzman (R) | 979-865-4560 | 100% |
| State Representative (State House District 17) | Stan Gerdes (R) | 512-321-3720 | 0.1% |
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
- La Grange website: http://www.cityoflg.com
- La Grange laws: search for the La Grange, Texas code of ordinances
- Plum laws: search for the Plum, Texas code of ordinances
- Fayette County website: https://www.co.fayette.tx.us/
- Fayette County laws: search for the Fayette County, Texas code of ordinances
- Bastrop County website: https://www.bastropcounty.gov/
- Bastrop County laws: search for the Bastrop County, Texas code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 18 | 100% |
| State Senate District 5 | <0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 85 | 100% |
| State House District 17 | 0.1% |
Voting precincts
11 voting precincts overlap ZIP 78945. 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:78945")
ZIP 78945 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.