2018Final results
2018 election for U.S. Senate in Connecticut
U.S. Senate · Connecticut
Christopher Murphy (D) won with 59.5% of the vote, defeating Matthew M. Corey (R) by 20.2 points.
Christopher MurphyDemocrat · winner
59.5%825,579
Matthew M. CoreyRepublican
39.4%545,717
Richard LionLibertarian
0.6%8,833
Jeff RussellGreen
0.5%6,614
1,386,826 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
Money in this race
Each line compares the two campaigns on one scale.
Christopher MurphyMatthew M. Corey
$12.5M
Raised by the campaign
$190.5K
$8.9M
Spent by the campaign
$173.1K
$4.8M
Cash on hand
$17.4K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018
The candidates
Christopher Murphy (D)Matthew M. Corey (R)
Also on the ballot: Richard Lion (Libertarian), 0.6%; Jeff Russell (Green), 0.5%