Mississippi Senate: Party Control and History

Current seats

Republican majorityDemocrats 17, Republicans 34, vacant 1. 52 seats; 27 for a majority.

Democrats 17Republicans 34Vacant 1

Vacant: district 34. Control counts seats by party; coalitions and power-sharing agreements are not shown.

Members as of November 3, 2026 (Open States), before the winners of the November 3, 2026 elections take office.

Democrat 17Republican 34Vacant 1

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Lines of the 2024 elections (US Census Bureau).

Members as of November 3, 2026 (Open States), before the winners of the November 3, 2026 elections take office.

Seats by election, table

Year	D	R	Other	Seats	Control
2019	16	36	0	52	Republican majority
2015	20	32	0	52	Republican majority
2011	22	30	0	52	Republican majority
2007	27	23	2	52	Democratic majority
2003	30	22	0	52	Democratic majority
1999	34	18	0	52	Democratic majority
1995	34	18	0	52	Democratic majority
1992	39	13	0	52	Democratic majority
1991	43	9	0	52	Democratic majority
1987	45	7	0	52	Democratic majority
1983	50	2	0	52	Democratic majority
1979	48	4	0	52	Democratic majority
1975	50	2	0	52	Democratic majority
1971	50	2	0	52	Democratic majority

Carl Klarner, State Legislative Election Returns, 1967-2022: version 1.0, released June 12, 2024; a fixed historic release.

The candidate with the most votes in each contest.

Not available: 2024, 2022, 2020, 2018, 2016.

MEDSL precinct returns 2016-2024: a fixed historic release; the file records no release date.

Sources

Current members: Open States (CC0 1.0), commit 3a1d876 of November 3, 2026; seat totals from openstates-metadata (MIT).

Seats after each election: Carl Klarner, State Legislative Election Returns, 1967-2022, Harvard Dataverse (CC0 1.0).

District results: MEDSL precinct returns (2018-2024 CC0 1.0; 2016 MIT License).

District lines: US Census Bureau, TIGER/Line cartographic boundaries (public domain), state legislative districts 2024, 1:500,000.

Data through November 3, 2026.