2020Final results
2020 election for Connecticut Senate District 4
Connecticut State Senate · Connecticut
Steve Cassano (D) won with 58.6% of the vote, defeating Matthew M. Corey (R) by 20.3 points.
Steve CassanoDemocrat · winner · incumbent
58.6%31,714
Matthew M. CoreyRepublican
38.3%20,737
Harold S. HarrisOther party
1.5%830
Kelly Elizabeth GreenOther party
1.5%823
54,104 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The candidates
Steve Cassano (D)Matthew M. Corey (R)
Also on the ballot: Harold S. Harris (Other party), 1.5%; Kelly Elizabeth Green (Other party), 1.5%