Boundary Atlas

Louisiana's 1st congressional district (LA-01)

Louisiana's 1st congressional district (LA-01) covers parts or all of 8 counties, including Plaquemines Parish, St. Tammany Parish, Terrebonne Parish, Jefferson Parish, Lafourche Parish and St. Bernard Parish, and 76 ZIP codes (42 wholly inside it). Its 2020 population was 776,249. This is the map in force for the November 3, 2026 election.

776,249residents (2020 Census)
8counties
76ZIP codes
524voting precincts

Who represents LA-01

OfficeMemberContact
U.S. Representative (LA-01)Steve Scalise (R)202-225-3015
U.S. SenatorBill Cassidy (R)202-224-5824 · contact form
U.S. SenatorJohn Kennedy (R)202-224-4623 · contact form

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: Members of Congress: the @unitedstates project, congress-legislators (CC0).

Counties

CountyShare of the county's residents in LA-01
Plaquemines Parish100%
St. Tammany Parish100%
Terrebonne Parish83%
Jefferson Parish53%
Lafourche Parish45%
St. Bernard Parish44%
Tangipahoa Parish31%
Orleans Parish15%

ZIP codes

Percentages mark ZIPs only partly in LA-01: the share of that ZIP's residents inside it.

Towns

District 1, District 1, District 1, District 10, District 10, District 11, District 12, District 13, District 14, District 2, District 2, District 3, District 3, District 3, District 4, District 4, District 5, District 5, District 5, District 5, District 6, District 6, District 6, District 7, District 7, District 8, District 8, District 8, District 8, District 9, District 9, District 9, District 9, District 9, District E, District D, District 6, District 7, District 7 and District 4 and others.

Get this in your AI agent

Your agent can draw every precinct in LA-01, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

get_boundaries(id="us:congressional_district:2201", children_level="precinct", include_districts=True)