2016Final results
2016 election for Connecticut Senate District 31
Connecticut State Senate · Connecticut
Henri Martin (R) won with 60.1% of the vote, defeating Michael Nicastro (D) by 20.1 points.
Henri MartinRepublican · winner · incumbent
60.1%27,162
Michael NicastroDemocrat
39.9%18,053
45,215 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET