Louisiana's 4th Congressional District (LA-4)

Last updated Oct 1, 2026 · 6 sources

Mike Johnson, a Republican, has represented the district since 2017.

The district includes all or part of 20 parishes (5 in part).

According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 769,520, a median household income of $60,165, and a median age of 38.3. Of residents 25 and older, 24.6% hold a bachelor's degree or higher.

Representative

Mike Johnson

U.S. Representative for Louisiana's 4th District · Republican

Profile Schedule this week

2026 redistricting

Louisiana uses a new congressional map in 2026: Act 2 of 2026 (SB 121), enacted May 29, 2026.

The 2026 election for LA-4 uses the new map's LA-4; the map on this page shows the district as currently drawn (119th Congress).

Source · All 2026 redistricting changes

2026 election

Johnson has filed with the FEC to run for this seat in 2026. 4 candidates for the seat have reported receipts to the FEC.

4 candidates have reported raising money for the 2026 LA-4 race to the FEC.

Election Day: Tuesday, November 3, 2026

Candidates for LA-4 in 2026 who reported raising money to the FEC
Candidate	Party	Raised	Cash on hand	Through
Mike Johnson (incumbent)	Republican	$20,976,864	$9,613,157	Jul 18
Matthew Gromlich	Democratic	$268,772	$10,175	Jul 18
Conrad Roberts Cable	Democratic	$238,886	$28,255	Jul 18
Michael Nichols	Republican	$49,755	$3	Jul 19

Includes primary candidates; FEC filings do not record primary results. FEC race page

District profile

Population: 769,520
Median household income: $60,165
Median age: 38.3
Bachelor's degree or higher: 24.6%

Census Bureau, 2020–2024 American Community Survey 5-year estimates

Louisiana senators

John Kennedy
U.S. Senator for Louisiana · Republican
Bill Cassidy
U.S. Senator for Louisiana · Republican

Neighboring districts

AR-4 · Bruce Westerman (R)
LA-3 · Clay Higgins (R)
LA-5 · Julia Letlow (R)
LA-6 · Cleo Fields (D)
TX-1 · Nathaniel Moran (R)
TX-14 · Randy Weber (R)
TX-36 · Brian Babin (R)

Sources

District boundaries (Census Bureau cartographic boundary file, 119th Congress) · retrieved Oct 2, 2026
Counties by district (Census Bureau relationship file) · retrieved Oct 2, 2026
District profile (Census Bureau, 2020–2024 American Community Survey 5-year estimates) · retrieved Oct 2, 2026
congress-legislators (member data, CC0) · retrieved Oct 2, 2026
2026 congressional map
Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026