Jefferson, Louisiana
Jefferson is a Census-designated place (an unincorporated community) in Jefferson Parish, Louisiana, with 10,633 residents in 2020. It spans 2 congressional districts: LA-01 (84%) and LA-02 (16%). It spans 3 state senate districts. Its state house district is State House District 82.
County
| County | Share of residents |
|---|---|
| Jefferson Parish | 100% |
Congressional districts
| Congressional district | Share of residents |
|---|---|
| Louisiana's 1st congressional district (LA-01) | 84% |
| Louisiana's 2nd congressional district (LA-02) | 16% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (LA-01) | Steve Scalise (R) | 202-225-3015 | 84% |
| U.S. Representative (LA-02) | Troy A. Carter (D) | 202-225-6636 | 16% |
| 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 9) | Cameron Henry (R) | 504-838-5433 | 78% |
| State Senator (State Senate District 5) | Royce Duplessis (Democratic) | 504-568-2741 | 11% |
| State Senator (State Senate District 10) | Kirk Talbot (R) | 504-736-7299 | 10% |
| State Representative (State House District 82) | Laurie Schlegel (R) | 100% |
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
- Jefferson laws: search for the Jefferson, Louisiana code of ordinances
- Jefferson Parish website: https://www.jeffparish.gov/
- Jefferson Parish laws: search for the Jefferson Parish, Louisiana code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 9 | 78% |
| State Senate District 5 | 11% |
| State Senate District 10 | 10% |
| State house district | Share of residents |
|---|---|
| State House District 82 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Jefferson: the share of that ZIP's residents living in it.
- 70121 (92%)
Get this in your AI agent
Your agent can get Jefferson's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:2238145")
Jefferson here is the Census Bureau's place boundary as of January 1, 2025 (a Census-designated place, which has no municipal government). Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.