2016Final results
2016 election for U.S. Senate in Colorado
U.S. Senate · Colorado
Michael F. Bennet (D) won with 50.0% of the vote, defeating Darryl Glenn (R) by 5.7 points.
Michael F. BennetDemocrat · winner
50.0%1,370,710
Darryl GlennRepublican
44.3%1,215,318
Lily Tang WilliamsLibertarian
3.6%99,277
Arn MenconiGreen
1.3%36,805
Bill HammonsOther party
0.3%9,336
Dan ChapinIndependent
0.3%8,361
Paul Noel FiorinoIndependent
0.1%3,216
Don WilloughbyOther party
0.0%6
2,743,029 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Michael F. BennetDarryl Glenn
$15.6M
Raised by the campaign
$4.3M
$15.1M
Spent by the campaign
$4M
$1.7M
Cash on hand
$258K
Other candidates' campaigns: Lily Tang Williams $19.8K · Arn Menconi $19.6K.
Campaign money: FEC, through Dec 31, 2016.
Source: FEC campaign filingsUpdated Dec 31, 2016
The candidates
Michael F. Bennet (D)Darryl Glenn (R)
Also on the ballot: Lily Tang Williams (Libertarian), 3.6%; Arn Menconi (Green), 1.3%; Bill Hammons (Other party), 0.3%; Dan Chapin (Independent), 0.3%; Paul Noel Fiorino (Independent), 0.1%; Don Willoughby (Other party), 0.0%