2024Final results
2024 election for Connecticut's 1st District
U.S. House · Connecticut
John B. Larson (D) won with 63.1% of the vote, defeating Jim Griffin (R) by 28.3 points.
John B. LarsonDemocrat · winner
63.1%208,649
Jim GriffinRepublican
34.8%115,065
Mary L. SandersGreen
2.0%6,768
330,482 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 3:26 AM ET
Money in this race
Each line compares the two campaigns on one scale.
John B. LarsonJim Griffin
$1.5M
Raised by the campaign
$7.8K
$1.7M
Spent by the campaign
$9.2K
$248.7K
Cash on hand
$378
Campaign money: FEC, through Dec 31, 2024.
Source: FEC campaign filingsUpdated Dec 31, 2024