99chambers

Louisiana House of Representatives seat · lines in effect since 2022

Louisiana House District 91

A district of about 43,000 people, 39% Black, 54% of adults with a bachelor's degree. It votes D+73.1 relative to the nation for president.

Mandie Landry (D) · since Nov 16, 2019Next election Nov 2, 2027

2023 election

Oct 14, 2023
  1. Mandie Landry (D) · won65.5%
  2. Madison O'Malley (D)25.8%
  3. Edward "Ed" Carlson (D)8.7%

Full results →

Source: Louisiana Secretary of StateUpdated Sep 30, 2026, 1:09 PM ET

Where it sits among all 103 seats

Every Louisiana House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+73.15th most
Democratic
Most DemocraticMost Republican52nd seat · the majority lineDistrict 91

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every election for this seat

21 races since 1972. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2023Mandie Landry (D)Madison O'Malley (D)39.8
Lines first used in 2012
2019 runoffMandie Landry (D)Robert McKnight (D)5.7
2019No winner recordedRobert McKnight (D)—
2015Walt Leger III (D)—Unopposed
Lines first used in 2002
2011Walt Leger III (D)—Unopposed
2007 runoffWalt Leger III (D)Judy Bajoiephillips (D)29.2
2007No winner recordedWalt Leger III (D)—
2003 runoffJalila Jeffersonbullock (D)Rosalind Magee Peychaud (D)16.3
2003No winner recordedJalila Jeffersonbullock (D)—
2002 runoffRosalind Magee Peychaud (D)Jalila Jeffersonbullock (D)2.3
Lines first used in 1992
1999Renee Gill Pratt (D)—Unopposed
1995Renee Gill Pratt (D)George Patterson (D)56.2
Lines first used in 1982
1991Renee Gill Pratt (D)Louella P. Givens (R)44.2
1991 runoffRenee Gill Pratt (D)Linda M. Compton (D)3.6
1991 special electionRenee Gill Pratt (D)Linda M. Compton (D)3.2
1987Diana E. Bajoie (D)—Unopposed
1983Diana E. Bajoie (D)Kim Alice Nichols (D)37.8
Lines first used in 1972
1979Diana E. Bajoie (D)Paul Adams (D)22.2
1975 runoffDiana E. Bajoie (D)Louis Landrum Sr. (D)11.6
1975No winner recordedLouis Landrum Sr. (D)—
1972Edward H. Booker (D)—Unopposed

Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Districts that overlap District 91

The state's districts in other chambers that share residents with this one, and the share of District 91's area in each.

U.S. House
LA-2 97%
Louisiana State Senate
SD-5 99%

Who lives here, compared

Grey bars show the spread of all 103 seats. Small marks are other seats in Louisiana. The black marker is District 91.

Adults with a bachelor's degree54% 94th pct · 7th of 103 in LA

Higher than 94% of seats.

White adults without a degree11% 6th pct · 97th of 103 in LA

Lower than 94% of seats.

Hispanic residents9% 81st pct · 20th of 103 in LA

Higher than 81% of seats.

Black residents39% 71st pct · 31st of 103 in LA

Higher than 71% of seats.

Asian residents2% 75th pct · 26th of 103 in LA

Higher than 75% of seats.

People per square mile7,991 100th pct · 1st of 103 in LA

Densest of 103 seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

District 23
48% Black · 45% college gradsD+81.0Not up in 2026District 93
55% Black · 38% college gradsD+80.9Not up in 2026District 98
68% college gradsD+55.1Not up in 2026District 97
65% Black · 39% college gradsD+82.4Not up in 2026

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET