1978Final results
1978 election for Montana House District 20
Montana House of Representatives · Montana
Aubyn Curtiss (R) won with 57.9% of the vote, defeating William G. Gwynn (D) by 15.7 points.
Aubyn CurtissRepublican · winner · incumbent
57.9%1,477
William G. GwynnDemocrat
42.1%1,076
2,553 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