This is the 2016 race. The latest: 2026 →

2016Final results

2016 election for Connecticut Senate District 4

Connecticut State Senate · Connecticut

Steve Cassano (D) won with 50.6% of the vote, defeating Lorraine Marchetti (R) by 1.2 points.

Steve CassanoDemocrat · winner · incumbent
50.6%24,146
49.4%23,557
47,703 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

EvenD+0.22010D+13.02012D+4.22014D+1.22016D+8.52018D+20.32020

Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET