2010 Colorado elections
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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
[edit]United States Senate
[edit]Incumbent Senator and Democratic nominee Michael Bennet defeated Republican nominee Ken Buck in the general election.
United States House
[edit]All seven Colorado seats in the United States House of Representatives were up for election in 2010.
Governor and Lieutenant Governor
[edit]Attorney General
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![]() County results Suthers: 50–60% 60–70% 70–80% 80–90% Garnett: 50–60% 60–70% 70–80% | |||||||||||||||||
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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 2025, this was the last time a Republican would win Colorado by double digits.
Party | Candidate | Votes | % | |
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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
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![]() County results Gessler: 40–50% 50–60% 60–70% 70–80% Buescher: 40–50% 50–60% 60–70% | |||||||||||||||||||||
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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 | % | |
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Republican | Scott Gessler | 852,818 | 49.52% | |
Democratic | Bill Ritter (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
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![]() County results Stapleton: 50–60% 60–70% 70–80% Kennedy: 50–60% 60–70% 70–80% | |||||||||||||||||
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Incumbent Democratic State Treasurer Cary Kennedy unsuccessfully ran for re-election, narrowly losing to her Republican opponent Walker Stapleton.[3][4]
Party | Candidate | Votes | % | |
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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
[edit]State Senate
[edit]One-half of the seats of the Colorado Senate were up for election in 2010.
State House of Representatives
[edit]All of the seats in the Colorado House of Representatives were up for election in 2010.
Judicial elections
[edit]Multiple judicial positions were up for election in 2010.
Ballot measures
[edit]Seven measures were certified for the 2010 ballot.

- 80–90%
- 70–80%
- 60–70%
- 50–60%

- 80–90%
- 70–80%
- 60–70%
- 50–60%

- 80–90%
- 70–80%
- 60–70%
- 50–60%

- 70–80%
- 60–70%
- 50–60%
- 60–70%
- 50–60%

- 70–80%
- 60–70%
- 50–60%

- 60–70%
- 50–60%
- 60–70%
- 50–60%

- 70–80%
- 60–70%
- 50–60%

- 80–90%
- 70–80%
- 60–70%
- 50–60%

- 70–80%
- 60–70%
- 50–60%
Local
[edit]Many elections for county offices were also held on November 2, 2010.
References
[edit]- ^ "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
[edit]- 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