ZIP code 70057: Hahnville, LA
ZIP code 70057 is in Hahnville (70% of residents), Killona (17%) and Taft (1.5%), in St. Charles Parish, Louisiana. 11% of its residents live outside city limits. It is in Louisiana's 2nd congressional district. Its state senate district is State Senate District 19; its state house districts are State House District 57 (100%) and State House District 56 (0.2%).
See it on the mapAll of Louisiana
City and county
| City or town | Share of ZIP residents |
|---|---|
| Hahnville | 70% |
| Killona | 17% |
| Taft | 1.5% |
| Luling | 0.1% |
| County | Share of ZIP residents |
|---|---|
| St. Charles Parish | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 1 | 100% |
| District 4 | 0.2% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Louisiana's 2nd congressional district (LA-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (LA-02) | Troy A. Carter (D) | 202-225-6636 | 100% |
| U.S. Senator | Bill Cassidy (R) | 202-224-5824 · contact form | statewide |
| U.S. Senator | John Kennedy (R) | 202-224-4623 · contact form | statewide |
| State Senator (State Senate District 19) | Greg Miller (R) | 100% | |
| State Representative (State House District 57) | Sylvia Taylor (Democratic) | 100% | |
| State Representative (State House District 56) | Beth Billings (R) | 985-764-0203 | 0.2% |
Elected in 2024 under LA'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
- Hahnville laws: search for the Hahnville, Louisiana code of ordinances
- Killona laws: search for the Killona, Louisiana code of ordinances
- Taft laws: search for the Taft, Louisiana code of ordinances
- St. Charles Parish website: http://www.stcharlesgov.net
- St. Charles Parish laws: search for the St. Charles Parish, Louisiana code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 19 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 57 | 100% |
| State House District 56 | 0.2% |
Voting precincts
4 voting precincts overlap ZIP 70057. 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:70057")
ZIP 70057 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.