1990Final results
1990 election for Florida Senate District 18
Florida State Senate · Florida
Jeanne Malchon (D) won with 54.5% of the vote, defeating Donald C. Sullivan (R) by 8.9 points.
Jeanne MalchonDemocrat · winner · incumbent
54.5%47,569
Donald C. SullivanRepublican
45.5%39,792
87,361 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET