2018Final results
2018 election for Maine's 1st District
U.S. House · Maine
Chellie Pingree (D) won with 58.8% of the vote, defeating Mark I. Holbrook (R) by 26.3 points.
Chellie PingreeDemocrat · winner
58.8%201,195
Mark I. HolbrookRepublican
32.5%111,188
Martin J. GrohmanIndependent
8.7%29,670
342,053 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.
Chellie PingreeMark I. Holbrook
$779.4K
Raised by the campaign
$94.8K
$1.1M
Spent by the campaign
$95.5K
$224.4K
Cash on hand
$1.4K
Other candidates' campaigns: Martin J. Grohman $367.5K.
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018