99chambers

Louisiana State Senate seat · lines in effect since 2022

Louisiana Senate District 33

A district of about 116,000 people, 23% Black, 24% of adults with a bachelor's degree. It votes R+53.4 relative to the nation for president.

Stewart Cathey (R) · since Oct 12, 2019Next election Nov 2, 2027

2023 election

Oct 14, 2023
  1. Stewart Cathey (R) · won52.9%
  2. Harvey "Ned" White (R)47.1%

Full results →

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

Where it sits among all 38 seats

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

R+53.432nd most
Democratic
Most DemocraticMost Republican20th seat · the majority lineDistrict 33

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

15 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
2023Stewart Cathey (R)Harvey "Ned" White (R)5.8
Lines first used in 2012
2019Stewart Cathey (R)Wade Bishop (R)3.9
2015Mike Walsworth (R)Vance McAllister (R)24.6
Lines first used in 2002
2011Mike Walsworth (R)—Unopposed
2007Mike Walsworth (R)Charles McDonald (D)3.4
2003Robert J. Barham (R)—Unopposed
Lines first used in 1992
1999Robert J. Barham (D)Colvin L. Wines (I)82.2
1995Robert J. Barham (D)—Unopposed
Lines first used in 1982
1991Willie Crain (D)—Unopposed
1987Willie Crain (D)Ronald Bassett (D)74.0
1983David Ginn (D)Willie Crain (D)5.4
Lines first used in 1972
1979David Ginn (D)Erle Edwards Barham (R)1.2
1975 runoffErle Edwards Barham (D)L. B. Loftin (D)0.1
1975No winner recordedErle Edwards Barham (D)—
1972Charles M. Brown (D)Robert Max Ross (R)54.9

Primaries: 1971 Democratic primary runoff · 1971 Democratic primary

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 33

The state's districts in other chambers that share residents with this one, and the share of District 33's area in each.

U.S. House
LA-4 56%, LA-5 44%
Louisiana House of Representatives
HD-12 36%, HD-19 29%, HD-11 24%, HD-10 5%

Who lives here, compared

Grey bars show the spread of all 38 seats. Small marks are other seats in Louisiana. The black marker is District 33.

Adults with a bachelor's degree24% 51st pct · 19th of 38 in LA

Higher than 51% of seats.

White adults without a degree53% 70th pct · 12th of 38 in LA

Higher than 70% of seats.

Hispanic residents3% 5th pct · 36th of 38 in LA

Lower than 95% of seats.

Black residents23% 35th pct · 25th of 38 in LA

Lower than 65% of seats.

Asian residents0% 5th pct · 36th of 38 in LA

Lower than 95% of seats.

People per square mile35 5th pct · 36th of 38 in LA

Less dense than 95% of 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 12
23% Black · 21% college gradsR+47.2Not up in 2026District 31
26% Black · 23% college gradsR+44.8Not up in 2026District 32
25% BlackR+63.5Not up in 2026District 28
25% BlackR+50.1Not 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