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2018 general · November 6, 2018

2018 Connecticut State Senate election results, district by district

Every Connecticut State Senate district in the 2018 general election: winners, margins, unopposed seats and seats that changed party.

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Seats after the election

Democrats controlled the chamber · 36 seats

After the electionD 23 · R 13
Races36
Changed party5
Unopposed3%1 races
Incumbents defeated4

Every district

D 23 · R 13

RaceWinnerWon byNotes
SD-1John Fonfara (D)50.1
SD-2Doug McCrory (D)Unopposed
SD-3Timothy D. Larson (D)21.4
SD-4Steve Cassano (D)8.5
SD-5Beth Bye (D)31.4
SD-6Terry Bielinski Gerratana (D)25.2
SD-7John Kissel (R)8.7
SD-8Kevin Witkos (R)13.6
SD-9Matt Lesser (D)15.7
SD-10Gary Winfield (D)76.1
SD-11Martin Looney (D)55.8
SD-12Christine Cohen (D)2.7
SD-13Mary Daugherty Abrams (D)4.8FlippedIncumbent lost
SD-14James Maroney (D)2.4
SD-15Joan Hartley (D)69.4
SD-16Rob Sampson (R)13.4
SD-17George Logan (R)0.2
SD-18Heather Somers (R)9.5
SD-19Cathy Osten (D)15.8
SD-20Paul M. Formica (R)4.0
SD-21Kevin C. Kelly (R)13.3
SD-22Marilyn Moore (D)18.2
SD-23Dennis Bradley (D)73.6
SD-24Julie Kushner (D)7.9FlippedIncumbent lost
SD-25Bob Duff (D)26.3
SD-26Will Haskell (D)6.8FlippedIncumbent lost
SD-27Carlo Leone (D)30.7
SD-28Tony Hwang (R)4.0
SD-29Mae Flexer (D)12.6
SD-30Craig A. Miner (R)7.2
SD-31Henri Martin (R)17.3
SD-32Eric Berthel (R)22.4
SD-33Norm Needleman (D)0.2Flipped
SD-34Len Fasano (R)16.9
SD-35Dan Champagne (R)2.0
SD-36Alexandra Bergstein (D)1.4FlippedIncumbent lost

Connecticut State Senate

Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: MIT Election Data and Science Lab