1978Flipped from DemocraticFinal resultsIncumbent defeated
1978 election for Montana Senate District 40
Montana State Senate · Montana
Mike Anderson (R) won with 50.4% of the vote, defeating Terry Murphy (D) by 0.8 points, a seat Democrats won last time.
Mike AndersonRepublican · winner
50.4%3,386
Terry MurphyDemocrat · incumbent
49.6%3,329
6,715 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET