1990Final results
1990 election for U.S. Senate in Montana
U.S. Senate · Montana
Max Baucus (D) won with 68.1% of the vote, defeating Allen C. Kolstad (R) by 38.7 points.
Max BaucusDemocrat · winner
68.1%217,563
Allen C. KolstadRepublican
29.4%93,836
Westley F. DeitchlerLibertarian
2.5%7,937
319,336 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 1990
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.
Max BaucusAllen C. Kolstad
$2.7M
Raised by the campaign
$748.1K
$2.4M
Spent by the campaign
$747.7K
$514.7K
Cash on hand
$439
Campaign money: FEC, through Dec 31, 1990.
Source: FEC campaign filingsUpdated Dec 31, 1990