99chambers

Louisiana State Senate seat · lines in effect since 2022

Louisiana Senate District 4

A district of about 108,000 people, 55% Black, 42% of adults with a bachelor's degree. It votes D+62.8 relative to the nation for president.

Jimmy Harris (D) · since Oct 12, 2019Next election Nov 2, 2027

2019 election

Oct 12, 2019
  1. Jimmy Harris (D) · won

Unopposed.

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+62.82nd most
Democratic
Most DemocraticMost Republican20th seat · the majority lineDistrict 4

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

14 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
2019Jimmy Harris (D)—Unopposed
2015Wesley T. Bishop (D)R. Erich Caulfield (D)40.2
Lines first used in 2002
2011Edwin R. Murray (D)—Unopposed
2007Edwin R. Murray (D)Thomas J. Kennedy (R)41.8
2003Paulette R. Irons (D)Jim McKay (D)40.2
Lines first used in 1992
1999Paulette R. Irons (D)—Unopposed
1995Paulette R. Irons (D)Dalton Savwoir Jr. (D)73.5
Lines first used in 1982
1991Marc H. Morial (D)Kern A. Reese (D)28.7
1987Ben Bagert (D)Harry T. Begg III (R)77.5
1983Ben Bagert (D)Michael H. Okeefe (D)32.3
Lines first used in 1972
1979Henry E. Braden IV (D)—Unopposed
1975 runoffSidney J. Barthelemy (D)—Unopposed
1972Adrian G. Duplantier (D)—Unopposed
Lines first used in 1962
1968Jamar W. Adcock · William D. Brown (D)—Unopposed

Primaries: 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 4

The state's districts in other chambers that share residents with this one, and the share of District 4's area in each.

U.S. House
LA-2 63%, LA-1 37%
Louisiana House of Representatives
HD-94 32%, HD-99 25%, HD-97 14%, HD-100 10%, HD-93 10%, HD-23 9%

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 4.

Adults with a bachelor's degree42% 86th pct · 6th of 38 in LA

Higher than 86% of seats.

White adults without a degree10% 0th pct · 38th of 38 in LA

Lowest of 38 seats.

Hispanic residents8% 81st pct · 8th of 38 in LA

Higher than 81% of seats.

Black residents55% 86th pct · 6th of 38 in LA

Higher than 86% of seats.

Asian residents1% 57th pct · 17th of 38 in LA

Higher than 57% of seats.

People per square mile4,399 92nd pct · 4th of 38 in LA

Denser than 92% 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 5
48% Black · 43% college gradsD+74.6Not up in 2026District 15
70% Black · 23% college gradsD+60.5Not up in 2026District 3
55% Black · 30% college gradsD+54.7Not up in 2026District 39
60% BlackD+33.1Not 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