| Elections in Colorado |
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A general election was held in the U.S. state of Colorado on November 2, 2010. All of Colorado's executive officers were up for election as well as a United States Senate seat and all of Colorado's seven seats in the United States House of Representatives. Primary elections were held on August 10, 2010.
Federal
United States Senate
Incumbent Senator and Democratic nominee Michael Bennet defeated Republican nominee Ken Buck in the general election.
United States House
All seven Colorado seats in the United States House of Representatives were up for election in 2010.
Governor and Lieutenant Governor
Attorney General
Despite being courted in 2008 and 2010 to run for the U.S. Senate, incumbent Republican Attorney General John Suthers chose to run for re-election. Suthers defeated his Democratic opponent, Stan Garnett, by a 13-point margin[citation needed] – the largest margin of victory in a statewide race in Colorado in 2010.[1] As of 2026, this was the last time a Republican would win Colorado by double digits.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | John Suthers (incumbent) | 960,143 | 56.35% | |
| Democratic | Stan Garnett | 743,750 | 43.65% | |
| Total votes | 1,703,893 | 100.00% | ||
| Republican hold | ||||
Secretary of State
In 2009, Democrat Bernie Buescher was appointed by Governor Bill Ritter to serve as Colorado Secretary of State, succeeding Republican Mike Coffman. Buescher ran for a full term in 2010 but lost to Republican Scott Gessler by 5.7%.[2]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Scott Gessler | 852,818 | 49.52% | |
| Democratic | Bernie Buescher (incumbent) | 755,522 | 43.87% | |
| Constitution | Amanda Campbell | 113,756 | 6.61% | |
| Total votes | 1,722,096 | 100.00% | ||
| Republican gain from Democratic | ||||
State Treasurer
Incumbent Democratic State Treasurer Cary Kennedy unsuccessfully ran for re-election, narrowly losing to her Republican opponent Walker Stapleton.[3][4]
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Walker Stapleton | 866,934 | 50.70% | |
| Democratic | Cary Kennedy (incumbent) | 842,877 | 49.30% | |
| Total votes | 1,709,811 | 100.00% | ||
| Republican gain from Democratic | ||||
State legislature
State Senate
One-half of the seats of the Colorado Senate were up for election in 2010.
State House of Representatives
All of the seats in the Colorado House of Representatives were up for election in 2010.
Judicial elections
Multiple judicial positions were up for election in 2010.
Ballot measures
Seven measures were certified for the 2010 ballot.
- 80–90%
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- 50–60%
- 80–90%
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- 50–60%
- 80–90%
- 70–80%
- 60–70%
- 50–60%
- 70–80%
- 60–70%
- 50–60%
Local
Many elections for county offices were also held on November 2, 2010.
References
- ↑ "Co AG election 2010".
- ↑ "2010 Nov 2 • General • Secretary of State • State of Colorado | State of Colorado". State of Colorado Elections Database. Retrieved March 10, 2025.
- ↑ Denver Post, Nov. 4, 2010. "Republican Walker Stapleton defeats Cary Kennedy for state treasurer."
- ↑ "2010 Nov 2 • General • State Treasurer • State of Colorado | State of Colorado". State of Colorado Elections Database. Retrieved March 10, 2025.
External links
- Elections Division of the Colorado Secretary of State
- Candidates for Colorado State Offices at Project Vote Smart
- Colorado Smart Voter from the League of Women Voters
- Colorado at Ballotpedia
- Colorado Election Guide at Congress.org
- Colorado at OurCampaigns.com
- Colorado Polls at Pollster.com
Finance
- 2010 House and Senate Campaign Finance for Colorado at the Federal Election Commission
- Colorado Congressional Races in 2010 campaign finance data from OpenSecrets
- Colorado 2010 campaign finance data from Follow the Money
Media
