Akashic
1876–2024
Elections / 2018 · Senate · CT

The Democratic candidate won Connecticut's Senate seat D+17.4.

Connecticut, 2018. Candidate results and statewide totals below.

Connecticut — 2018 Senate result
Source: MIT Election Data + Science Lab, 1976–2024 Senate returns (party-classified by literal ballot party).
Democratic (D)
787,685
56.8%
Republican (R)
545,717
39.4%
All others
53,350
3.8%
Margin
D+17.4
Candidates
Statewide candidate totals — MIT Election Data + Science Lab, 2018 Senate returns.
CandidatePartyVotesShare
Christopher S MurphyDDemocrat825,57959.5%
Matthew CoreyRRepublican545,71739.4%
Richard LionOLibertarian8,8380.6%
Jeff RussellOGreen6,6180.5%
Connecticut, 2018
DemocraticD+19.8
2018 presidential margin by county for Connecticut — 2018 US Senate electionA map of the constituent counties of Connecticut — 2018 US Senate election, each outlined and filled by its 2018 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.FAIRFIELD, CT · D+23.4HARTFORD, CT · D+26.2NEW HAVEN, CT · D+19.7NEW LONDON, CT · D+20.2LITCHFIELD, CT · R+5.2MIDDLESEX, CT · D+15.3TOLLAND, CT · D+13.2WINDHAM, CT · D+7.2
How it voted
Share of the 2018 vote
DemocraticDemocratic59.2%820,530
RepublicanRepublican39.4%545,717
OtherAll other candidates1.5%20,579
D+60
R+60
8 counties, each filled by 2018 D-vs-R margin. Hover any county for its result.
Connecticut's Senate margins
Every contest in our store, 1976–2024
Connecticut's Senate marginsDemocratic-minus-Republican presidential margin from 1976 to 2024. Most recent: +16.1% in 2024.flipped D · 1986+16.1%DR19762024
Connecticut's Senate margins
YearMargin (D minus R)
1976−16.5%
1980+13.4%
1982−4.3%
1986+29.9%
1988+0.7%
1992+0.4%
1994+10.1%
1998+32.8%
2000+29.0%
2004+34.2%
2006+30.1%
2010+9.3%
2012+12.5%
2016+23.1%
2018+17.4%
2024+16.1%