2006Final resultsSpecial election
2006 special election for Colorado Senate District 21
Colorado State Senate · Colorado
Betty Boyd (D) won with 56.4% of the vote, defeating Matthew J. Knoedler (R) by 12.9 points.
Betty BoydDemocrat · winner
56.4%23,175
Matthew J. KnoedlerRepublican
43.6%17,884
41,059 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 2006
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET