2006Flipped from RepublicanFinal results
2006 election for Colorado Governor
Governor · Colorado
Bill Ritter Jr (D) won with 58.7% of the vote, defeating Bob Beauprez (R) by 17.3 points, a seat Republicans won last time.
Bill Ritter JrDemocrat · winner
58.7%888,096
Bob BeauprezRepublican
41.3%625,886
1,513,982 votes
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET
The seat over time
D − R margin in this seat's races around 2006
Races before and after
Source: Algara, Carlos; Amlani, Sharif (Harvard Dataverse)Updated Oct 5, 2026, 12:23 AM ET