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Green Party of Colorado

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Green Party of Colorado
Founded1994; 30 years ago (1994)
HeadquartersP.O.Box 11171, Denver, Colorado 80211
Membership (2020)8,292[1]
IdeologyGreen politics
Political positionLeft-wing
National affiliationGreen Party of the United States
Colors  Green
Seats in the U.S. Senate
0 / 2
Seats in the U.S. House
0 / 8
Colorado Senate
0 / 35
Colorado House of Representatives
0 / 65
Other elected officials2 (February 2024)[2]

The Green Party of Colorado (GPCO) is the affiliate of the Green Party of the United States for the state of Colorado.



The Green Party of Colorado first attempted to qualify for statewide ballot status in 1994. While the party was unsuccessful in gaining ballot access, the party did qualify for Qualified Political Organization status. This made it possible to register as a Green in Colorado.

The Green Party of Colorado qualified for statewide ballot status in July 1998 and has retained its ballot status ever since.[3]

In 2000 the Green Party of Colorado hosted the 2000 national convention of the Green Party of the United States in Denver.

In the 2006 mid-term elections Tom Kelly running for U.S. House of Representatives District 1 received 20.2% of the vote, the best finish of any Green running for Congress in 2006.[4]

In 2016, the party's candidate for president was Dr. Jill Stein.[5]

Elected officials


Current public officeholders:

  • Merrily Mazza, City Council, Lafayette
  • Bryan Williams, Director School Board District R-1, Ouray County
  • Becky Elder, Councillor, City of Manitou Springs

Former public officeholders:

  • Art Goodtimes, Board of Commissioners (San Miguel County)
  • Scott Chaplin, Board of Trustees, Carbondale
  • Jeffery Bergeron, Town Council, Breckenridge (Summit County)
  • Wendy Mimiaga, Town Board, Dolores (Cortez County)
  • Matt Keefauver, Town Council, Cortez (Montezuma County)
  • Charlie Green, School Board, District E, Fremont RE-3
  • Peter Gleichman, Mayor, Ward, CO (Boulder County)
  • Tanya Ishikawa, Federal Heights City Council, Ward I
  • Michelle Haynes, Town Board, Norwood
  • Andrea Mérida Cuéllar, Denver Board of Education, Denver Public Schools District 2

Active chapters and caucuses

  • Adams County Green Party
  • Arapahoe County Green Party
  • Denver Green Party
  • Poudre Valley Green Party
  • Mesa County Green Party
  • Longmont Green Party
  • Youth Caucus
  • Latinx Caucus
  • Formerly-Incarcerated Persons Caucus


  1. ^ Winger, Richard. "November 2020 Ballot Access News Print Edition". Ballot Access News. Retrieved March 15, 2021.
  2. ^ "Greens in Office". Green Party of the United States. Retrieved June 2, 2024..
  3. ^ "BALLOT STATUS HISTORY – GREEN PARTY OF COLORADO". Green Party of the United States. Retrieved 4 January 2017.
  4. ^ John Eichler (2006-12-13). "COLORADO CUMULATIVE REPORT These returns are compiled and totaled from all counties for all candidates, ballot issues, and ballot questions certified by the secretary of state in accordance with section 1-10-103 (2), C.R.S. GENERAL ELECTION". Sos.state.co.us. Archived from the original on 2006-12-06. Retrieved 2010-09-04.
  5. ^ Matthews, Mark (27 October 2016). "Small but growing number of Colorado voters shift to Green, Libertarian parties". The Denver Post. Retrieved 4 January 2017.