2015Final results
2015 election for Mississippi Senate District 15
Mississippi State Senate · Mississippi
Gary Jackson (R) won with 60.7% of the vote, defeating Cecil Simmons (D) by 21.4 points.
Gary JacksonRepublican · winner · incumbent
60.7%8,708
Cecil SimmonsDemocrat
39.3%5,638
14,346 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2015
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET