2018Final results
2018 election for Connecticut Senate District 27
Connecticut State Senate · Connecticut
Carlo Leone (D) won with 64.8% of the vote, defeating Jerry Bosak (R) by 30.7 points.
Carlo LeoneDemocrat · winner · incumbent
64.8%22,161
Jerry BosakRepublican
34.1%11,649
Cora M. SantaguidaGreen
1.1%392
34,202 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET