1986Final results
1986 election for North Dakota's at-large District
U.S. House · North Dakota
Byron Dorgan (D) won with 75.5% of the vote, defeating Syver Vinje (R) by 52.1 points.
Byron DorganDemocrat · winner
75.5%216,258
Syver VinjeRepublican
23.4%66,989
Gerald W. KoppIndependent
1.1%3,114
286,361 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1986
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Byron DorganSyver Vinje
$458.5K
Raised by the campaign
$74K
$391.9K
Spent by the campaign
$73.3K
$203.6K
Cash on hand
$717
Campaign money: FEC, through Dec 31, 1986.
Source: FEC campaign filingsUpdated Dec 31, 1986