1974Flipped from RepublicanFinal results
1974 election for Colorado House District 20
Colorado House of Representatives · Colorado
William S. Flanery Jr. (D) won with 54.4% of the vote, defeating Diane Rider (R) by 8.8 points, a seat Republicans won last time.
William S. Flanery Jr.Democrat · winner
54.4%4,879
Diane RiderRepublican
45.6%4,087
8,966 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 1974
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET