99chambers

Louisiana State Senate seat · lines in effect since 2022

Louisiana Senate District 15

A district of about 127,000 people, 70% Black, 23% of adults with a bachelor's degree. It votes D+60.5 relative to the nation for president.

Regina Barrow (D) · since Oct 24, 2015Next election Nov 2, 2027

2019 election

Oct 12, 2019
  1. Regina Barrow (D) · won · incumbent74.5%
  2. Gary Chambers (D)25.5%

Full results →

Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM 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.

D+60.53rd most
Democratic
Most DemocraticMost Republican20th seat · the majority lineDistrict 15

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

18 races since 1968. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2012
2019Regina Barrow (D)Gary Chambers (D)49.0
2015Regina Barrow (D)Dalton Honore (D)20.0
Lines first used in 2002
2011Sharon Westonbroome (D)—Unopposed
2007Sharon Westonbroome (D)James Slaughter Jr. (I)60.1
2003Melvin Holden (D)Arnold Johnson (R)58.4
Lines first used in 1992
2001 special electionMelvin Holden (D)Scott Hornsby (I)15.2
1999Wilson Fields (D)R. J. Saia (R)29.4
1995 runoffWilson Fields (D)Rhett L. Bergeron (R)22.4
1995No winner recordedWilson Fields (D)—
Lines first used in 1982
1991Larry S. Bankston (D)Thomas Nelson (D)26.6
1987 runoffLarry S. Bankston (D)John L. Dardenne Jr. (D)1.2
1987No winner recordedLarry S. Bankston (D)—
1983Thomas H. Hudson (D)—Unopposed
Lines first used in 1972
1979Thomas H. Hudson (D)Roberta Madden (D)36.1
1975 runoffThomas H. Hudson (D)J. D. Deblieux (D)6.8
1975No winner recordedThomas H. Hudson (D)—
1972J. D. Deblieux (D)Frank B. Millican (R)56.7
Lines first used in 1962
1968Harvey Peltier · Claude Berwick Duval (D)—Unopposed

Primaries: 1971 Democratic primary runoff · 1971 Democratic primary · 1968 Democratic primary runoff · 1967 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 15

The state's districts in other chambers that share residents with this one, and the share of District 15's area in each.

U.S. House
LA-6 75%, LA-2 25%
Louisiana House of Representatives
HD-63 55%, HD-62 22%, HD-101 12%

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 15.

Adults with a bachelor's degree23% 43rd pct · 22nd of 38 in LA

Lower than 57% of seats.

White adults without a degree13% 5th pct · 36th of 38 in LA

Lower than 95% of seats.

Hispanic residents7% 65th pct · 14th of 38 in LA

Higher than 65% of seats.

Black residents70% 100th pct · 1st of 38 in LA

Highest of 38 seats.

Asian residents2% 84th pct · 7th of 38 in LA

Higher than 84% of seats.

People per square mile973 81st pct · 8th of 38 in LA

Denser than 81% 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 3
55% Black · 30% college gradsD+54.7Not up in 2026District 39
60% BlackD+33.1Not up in 2026District 4
55% Black · 42% college gradsD+62.8Not up in 2026District 5
48% Black · 43% college gradsD+74.6Not 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