2020Final results
2020 election for Connecticut's 1st District
U.S. House · Connecticut
John B. Larson (D) won with 63.8% of the vote, defeating Mary Fay (R) by 28.8 points.
John B. LarsonDemocrat · winner
63.8%222,668
Mary FayRepublican
35.0%122,111
Thomas E. McCormickGreen
1.3%4,458
349,237 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
John B. LarsonMary Fay
$1.4M
Raised by the campaign
$26.8K
$1.3M
Spent by the campaign
$25.1K
$422.4K
Cash on hand
$1.7K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020