2025 Mississippi State Senate special election

2025 Mississippi State Senate special election

April 15 – December 2, 2025

12 of 52 seats in the Mississippi State Senate
(9 court-ordered, 3 due to vacancies)
27 seats needed for a majority
  Majority party Minority party
 
Leader Dean Kirby Derrick Simmons
Party Republican Democratic
Leader since January 7, 2020 July 31, 2017
Leader's seat 30th district 12th district
Last election 36 16
Seats before 36 14
Seats won 5 4
Seats after 34 18
Seat change 2 2

Map of the incumbents:
     Republican hold
     Democratic gain      Democratic hold
     No election

President pro tempore before election

Dean Kirby
Republican

Elected President pro tempore

Dean Kirby
Republican

The 2025 Mississippi State Senate special election was held on November 4, 2025, to elect 9 of 52 members of the Mississippi State Senate. Special elections were called in 9 districts due to court-ordered redistricting, in addition a special election was held on April 15 to fill a vacancy in one district. Primary elections will be held on August 5 and, if needed, runoff elections will be held on December 2.

Democrats flipped two seats, breaking the Republican supermajority.