1980Flipped from DemocraticFinal resultsIncumbent defeated
1980 election for Colorado House District 31
Colorado House of Representatives · Colorado
Jim Chaplin (R) won with 52.0% of the vote, defeating James Shepard (D) by 4.0 points, a seat Democrats won last time.
Jim ChaplinRepublican · winner
52.0%10,632
James ShepardDemocrat · incumbent
48.0%9,816
20,448 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 1980
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET