Electoral history of John Hickenlooper

Last updated September 12, 2025

This is the electoral history of John Hickenlooper , the junior United States senator from Colorado since 2021. He previously served as the 43rd mayor of Denver from 2003 to 2011 and the 42nd governor of Colorado from 2011 to 2019. Hickenlooper briefly sought the 2020 Democratic nomination for President. He ended his presidential campaign in 2019 before voting began and announced his campaign for U.S. Senate days later.^[1]

Denver mayoral elections

2003

2003 Denver mayoral general election^[2]
Party		Candidate	Votes	%
	Nonpartisan	John Hickenlooper	49,185	43.33%
	Nonpartisan	Donald J. Mares	25,308	22.29%
	Nonpartisan	Aristedes 'Ari' Zavaras	14,145	12.46%
	Nonpartisan	Penfield Tate III	13,450	11.85%
	Nonpartisan	Susan Casey	8,162	7.19%
	Nonpartisan	Elizabeth Schlosser	1,812	1.60%
	Nonpartisan	Phil Perington	1,247	1.10%
	Write-in		211	0.19%
Total votes			113,520	100.0%

2003 Denver mayoral runoff election^[3]
Party		Candidate	Votes	%
	Nonpartisan	John Hickenlooper	69,526	64.58%
	Nonpartisan	Donald J. Mares	38,126	35.42%
Total votes			107,652	100.0%

2007

2007 Denver mayoral general election^[4]
Party		Candidate	Votes	%
	Nonpartisan	John Hickenlooper (incumbent)	68,568	86.30%
	Nonpartisan	Danny F. Lopez	10,053	12.65%
	Write-in		834	1.05%
Total votes			79,455	100.0%

Colorado gubernatorial elections

2010

2010 Colorado gubernatorial Democratic primary^[5]
Party		Candidate	Votes	%
	Democratic	John Hickenlooper	303,245	100.00%
Total votes			303,245	100

2010 Colorado gubernatorial general election^[5]
Party		Candidate	Votes	%
	Democratic	John Hickenlooper/Joseph García	915,436	51.05%
	Constitution	Tom Tancredo/Pat Miller	652,376	36.38%
	Republican	Dan Maes/Tambor Williams	199,792	11.14%
	Libertarian	Jaimes Brown/Ken Wyble	13,365	0.75%
	Independent	Jason R. Clark	8,601	0.48%
	Independent	Paul Fiorino/Heather McKibbin	3,492	0.19%
	Write-in		86	<0.01%
Total votes			1,793,148	100.0%

2014

2014 Colorado gubernatorial Democratic primary^[6]
Party		Candidate	Votes	%
	Democratic	John Hickenlooper (incumbent)	214,403	100.00%
Total votes			214,403	100.0%

2014 Colorado gubernatorial general election^[6]
Party		Candidate	Votes	%
	Democratic	John Hickenlooper/Joe Garcia (incumbent)	1,006,433	49.30%
	Republican	Bob Beauprez/Jill Repella	938,195	45.95%
	Libertarian	Matthew Hess/Brandon Young	39,590	1.94%
	Green	Harry Hempy/Scott Olson	27,391	1.34%
	Independent	Mike Dunafon/Robin J. Roberts	24,042	1.18%
	Independent	Paul Fiorino/Charles George Whitley	5,923	0.29%
	Write-in	Marcus Giavanni/Jashua Yballa	31	<0.01%
Total votes			2,041,605	100.0%

U.S. Senate elections

2020

2020 U.S. Senator from Colorado Democratic primary^[7]
Party		Candidate	Votes	%
	Democratic	John Hickenlooper	585,826	58.65%
	Democratic	Andrew Romanoff	412,955	41.35%
Total votes			998,781	100.0%

2020 U.S. Senator from Colorado general election^[8]
Party		Candidate	Votes	%	±%
	Democratic	John Hickenlooper	1,731,114	53.50%	+7.24%
	Republican	Cory Gardner (incumbent)	1,429,492	44.18%	−4.03%
	Libertarian	Raymon Doane	56,262	1.74%	−0.85%
	Approval Voting	Daniel Doyle	9,820	0.30%	N/A
	Unity	Stephen Evans	8,971	0.28%	−0.04%
Total votes			3,235,659	100.0%
	Democratic gain from Republican

References

↑ Hickenlooper, John (August 22, 2019). "Not Done Fighting". YouTube. John Hickenlooper. Retrieved 22 August 2019.
↑ "Election Archive - ELECTION RESULTS - May 6, 2003 General Municipal Election" (PDF). Retrieved March 27, 2019.
↑ "Election Archive - ELECTION RESULTS - June 3, 2003 Run-off Election" (PDF). Retrieved March 27, 2019.
↑ "General Municipal Election Tuesday, May 1, 2007" (PDF). Retrieved March 27, 2019.
1 2 "2010 Abstract of Votes Cast" (PDF). Colorado Secretary of State. Archived from the original (PDF) on 7 April 2021. Retrieved 15 June 2020.
1 2 "2014 Abstract of Votes Cast" (PDF). Secretary of State of Colorado. Retrieved 16 June 2020.
↑ "UNITED STATES SENATOR - DEMOCRATIC PARTY". Secretary of State of Colorado . Retrieved June 30, 2020.
↑ "2020 General Election - Official Compiled Results". Colorado Secretary of State. Retrieved December 10, 2020.

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[1] Hickenlooper, John (August 22, 2019). "Not Done Fighting". YouTube. John Hickenlooper. Retrieved 22 August 2019.

[2] "Election Archive - ELECTION RESULTS - May 6, 2003 General Municipal Election" (PDF). Retrieved March 27, 2019.

[3] "Election Archive - ELECTION RESULTS - June 3, 2003 Run-off Election" (PDF). Retrieved March 27, 2019.

[4] "General Municipal Election Tuesday, May 1, 2007" (PDF). Retrieved March 27, 2019.

[sos2010-5] 1 2 "2010 Abstract of Votes Cast" (PDF). Colorado Secretary of State. Archived from the original (PDF) on 7 April 2021. Retrieved 15 June 2020.

[SOS2014-6] 1 2 "2014 Abstract of Votes Cast" (PDF). Secretary of State of Colorado. Retrieved 16 June 2020.

[7] "UNITED STATES SENATOR - DEMOCRATIC PARTY". Secretary of State of Colorado . Retrieved June 30, 2020.

[8] "2020 General Election - Official Compiled Results". Colorado Secretary of State. Retrieved December 10, 2020.

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v t e John Hickenlooper
U.S. Senator from Colorado (2021–present) Governor of Colorado (2011–2019) Mayor of Denver (2003–2011)
Mayor of Denver	2003 election 2007 election FasTracks 2008 Democratic National Convention
Governor of Colorado	2010 election 2014 election 2012 Aurora, Colorado shooting Colorado Amendment 64 Connect for Health Colorado Burns v. Hickenlooper
Politics	Electoral history 2020 presidential campaign endorsements debates primaries 2020 U.S. Senate election
Personal life	Wynkoop Brewing Company Helen Thorpe (ex-wife) George Hickenlooper (cousin) Smith Hickenlooper (grandfather) Bourke B. Hickenlooper (great-uncle) Andrew Hickenlooper (great-grandfather)