2020 general · November 3, 2020

2020 Connecticut State Senate election results, district by district

Every Connecticut State Senate district in the 2020 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 24 · R 12
Races36
Changed party1
Unopposed11%4 races
Incumbents defeated1

Every district

D 24 · R 12

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