2018Final results
2018 election for Connecticut Senate District 25
Connecticut State Senate · Connecticut
Bob Duff (D) won with 63.2% of the vote, defeating Marc Damelio (R) by 26.3 points.
Bob DuffDemocrat · winner · incumbent
63.2%24,444
Marc DamelioRepublican
36.8%14,261
38,705 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