2006Final results
2006 election for Colorado's 2nd District
U.S. House · Colorado
Mark Udall (D) won with 68.2% of the vote, defeating Richard Mancuso (R) by 39.9 points.
Mark UdallDemocrat · winner
68.2%157,850
Richard MancusoRepublican
28.3%65,481
Norm OlsenLibertarian
2.2%5,025
J. A. CalhounGreen
1.3%2,951
231,307 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 2006
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Mark UdallRichard Mancuso
$1.5M
Raised by the campaign
$15.2K
$932.2K
Spent by the campaign
$14.7K
$1.3M
Cash on hand
$99
Campaign money: FEC, through Dec 31, 2006; FEC, through Nov 27, 2006.
Source: FEC campaign filingsUpdated Dec 31, 2006
The candidates
Mark Udall (D)Richard Mancuso (R)
Also on the ballot: Norm Olsen (Libertarian), 2.2%; J. A. Calhoun (Green), 1.3%