1984Flipped from DemocraticFinal resultsIncumbent defeated
1984 election for Connecticut Senate District 15
Connecticut State Senate · Connecticut
Thomas F. Upson (R) won with 59.4% of the vote, defeating Robert G. Dorr (D) by 18.7 points, a seat Democrats won last time.
Thomas F. UpsonRepublican · winner
59.4%22,967
Robert G. DorrDemocrat · incumbent
40.6%15,730
38,697 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET