2018Flipped from DemocraticFinal results
2018 election for U.S. Senate in North Dakota
U.S. Senate · North Dakota
Kevin Cramer (R) won with 55.1% of the vote, defeating Heidi Heitkamp (D) by 10.8 points, a seat Democrats won last time.
Kevin CramerRepublican · winner
55.1%179,720
Heidi HeitkampDemocrat
44.3%144,376
Write-ins and other votesOther party
0.6%2,042
326,138 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.
Heidi HeitkampKevin Cramer
$29.5M
Raised by the campaign
$6M
$23.7M
Spent by the campaign
$6.2M
$6.5M
Cash on hand
$195.5K
Campaign money: FEC, through Dec 31, 2018.
Source: FEC campaign filingsUpdated Dec 31, 2018