Boundary Atlas

ZIP code 70123: River Ridge, LA

ZIP code 70123 is in River Ridge (49% of residents), Harahan (33%) and Elmwood (17%), in Jefferson Parish, Louisiana. It is in Louisiana's 1st congressional district (92%) and Louisiana's 2nd congressional district (8.0%). Its state senate districts are State Senate District 10 (97%) and State Senate District 19 (3.1%); its state house districts are State House District 78 (74%), State House District 82 (18%) and State House District 92 (8.0%).

27,346residents (2020 Census)
7.6 sq miland area
3cities and towns
2congressional districts
20voting precincts

See it on the mapAll of Louisiana

City and county

City or townShare of ZIP residents
River Ridge49%
Harahan33%
Elmwood17%

CountyShare of ZIP residents
Jefferson Parish100%

Town or county subdivisionShare of ZIP residents
District 292%
District 38.0%

Congressional districts

Congressional districtShare of ZIP residents
Louisiana's 1st congressional district (LA-01)92%
Louisiana's 2nd congressional district (LA-02)8.0%

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

OfficeMemberContactShare of residents
U.S. Representative (LA-01)Steve Scalise (R)202-225-301592%
U.S. Representative (LA-02)Troy A. Carter (D)202-225-66368.0%
U.S. SenatorBill Cassidy (R)202-224-5824 · contact formstatewide
U.S. SenatorJohn Kennedy (R)202-224-4623 · contact formstatewide
State Senator (State Senate District 10)Kirk Talbot (R)504-736-729997%
State Senator (State Senate District 19)Greg Miller (R)3.1%
State Representative (State House District 78)John Illg (R)504-737-031574%
State Representative (State House District 82)Laurie Schlegel (R)18%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1097%
State Senate District 193.1%

State house districtShare of ZIP residents
State House District 7874%
State House District 8218%
State House District 928.0%

Voting precincts

20 voting precincts overlap ZIP 70123. 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:70123")

ZIP 70123 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.