1978Final results
1978 election for U.S. Senate in Montana
U.S. Senate · Montana
Max Baucus (D) won with 55.7% of the vote, defeating Larry Williams (R) by 11.4 points.
Max BaucusDemocrat · winner
55.7%160,353
Larry WilliamsRepublican
44.3%127,589
287,942 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 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET