1984Final results
1984 election for Montana House District 66
Montana House of Representatives · Montana
Nancy Keenan (D) won with 63.7% of the vote, defeating John W. McDonald (R) by 27.5 points.
Nancy KeenanDemocrat · winner · incumbent
63.7%2,067
John W. McDonaldRepublican
36.3%1,176
3,243 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 1984
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET