Mississippi State Senate seat · lines in effect since 2026

Mississippi Senate District 15

A district of about 45,000 people, 28% Black, 31% of adults with a bachelor's degree. It votes R+32.7 relative to the nation for president.

2023 election

Nov 7, 2023
  1. Bart Williams (R) · won100.0%

Unopposed.

Source: OpenElections (from MS Secretary of State)Updated Sep 30, 2026, 12:47 PM ET

Where it sits among all 51 seats

Every Mississippi 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+32.731st most
Democratic
Most DemocraticMost Republican26th 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

15 races since 1971; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2023Bart Williams (R)—Unopposed
Lines first used in 2012
2019Gary Jackson (R)—Unopposed
2015Gary Jackson (R)Cecil Simmons (D)21.4
Lines first used in 2002
2011Gary Jackson (R)—Unopposed
2007Gary Jackson (R)—Unopposed
2003Gary Jackson (R)Cecil Simmons (D)11.9
Lines first used in 1992
1999E. Glenn Hamilton (R)—Unopposed
1995E. Glenn Hamilton (R)FlipJackie Roy McComb (D)11.2
1992Amy Tuck Powell (D)—Unopposed
Lines first used in 1982
1991John T. Keeton Jr. (D)—Unopposed
1987John T. Keeton Jr. (D)—Unopposed
1983John T. Keeton Jr. (D)—Unopposed
Lines first used in 1972
1979Charles Pittman (D)—Unopposed
1975Herman B. Decell · Ray Hilman Montgomery (DEM)Clara Watson (D)7.7
Lines first used in 1962
1971Herman B. Decell · Ray Hilman Montgomery (DEM)Hazel Brannon Smith (D)10.1

Primaries: 1983 Democratic primary · 1979 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
MS-1 76%, MS-2 14%, MS-3 10%
Mississippi House of Representatives
HD-35 53%, HD-46 24%, HD-23 13%, HD-43 6%

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

201620202024
PresidentR+27.4R+29.5R+34.0
U.S. SenateNo raceR+23.8R+37.6

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET

Who lives here, compared

Grey bars show the spread of all 51 seats. Small marks are other seats in Mississippi. The black marker is District 15.

Adults with a bachelor's degree31% 84th pct · 9th of 51 in MS

Higher than 84% of seats.

White adults without a degree43% 52nd pct · 25th of 51 in MS

Higher than 52% of seats.

Hispanic residents3% 38th pct · 32nd of 51 in MS

Lower than 62% of seats.

Black residents28% 40th pct · 31st of 51 in MS

Lower than 60% of seats.

Asian residents1% 60th pct · 21st of 51 in MS

Higher than 60% of seats.

People per square mile35 20th pct · 41st of 51 in MS

Less dense than 80% of seats.

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