1970Final results
1970 election for Colorado House District 27
Colorado House of Representatives · Colorado
John M. Byerly (R) won with 66.4% of the vote, defeating Roy Vandyke (D) by 32.8 points.
John M. ByerlyRepublican · winner · incumbent
66.4%8,078
Roy VandykeDemocrat
33.6%4,088
12,166 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 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET