The Seventy-fifth Colorado General Assembly is the current term of the legislative branch of the Colorado state government, consisting of the Colorado Senate and the Colorado House of Representatives. The first regular session of the Seventy-fifth Colorado General Assembly convened at the Colorado State Capitol on January 8, 2025, and is set to conclude on May 7, 2025. The second regular session is due to convene in the first week of January 2026.
The 75th General Assembly is made up of a record 52% women, 14 in the Senate, and 38 in the House. Colorado is one of only three legislatures in the United States that is majority women.
Major Events
Vacancies and special elections
November 12, 2024: One week after reelection, Senator Chris Hansen resigned to serve as CEO of the La Plata Electrical Association. November 21, 2024: Senator Janet Buckner announces her resignation, effective January 8. January 6, 2025: Colorado Representative Iman Jodeh is selected to represent the 29th Senate district by vacancy committee, replacing Buckner. January 7, 2025: Matthew Ball is selected by vacancy committee to represent the 31st Senate district, replacing Hansen. February 17, 2025: Senator Sonya Jaquez Lewis resigns amid an ethics investigation. March 18, 2025: Katie Wallace is selected by vacancy committee to replace Jaquez Lewis in representing the 17th Senate district. June 9, 2025, Senate Minority Leader Paul Lundeen announced his resignation from the Senate. June 30, 2025: Lynda Zamora Wilson is selected by vacancy committee to replace Lundeen in representing the 9th Senate district. August 21, 2025: Representative Ryan Armagost resigned from the House. Armagost had previously announced his resignation, due to occur on September 1st.
Leadership changes
November 8, 2024: Former Senate President Pro Tempore James Coleman is elected to serve as Senate President, replacing outgoing term-limited President Steve Fenberg. Coleman's election is not official until a formal vote may occur on the first day of the 75th General Assembly. Senator Lisa Cutter is elected to serve as Senate majority leader, replacing Senator Faith Winter, who did not seek reelection for the position. Senator Dafna Michaelson Jenet is elected to serve as Senate Pro Tempore. Senator-Elect Judy Amabile is appointed to serve on the coveted Joint Budget Committee, replacing Rachel Zenzinger, who was term-limited. Senators Nick Hinrichsen and Dylan Roberts are elected to serve as Senate majority caucus co-chairs, replacing Senator Janet Buckner, who did not seek reelection to the position. Representative Anthony Hartsook is elected to serve as House minority caucus chair, replacing Representative Mary Bradfield, who did not seek reelection to the position. November 11, 2024: Former Senate Minority whip Senator Cleave Simpson is elected to serve as Senate assistant minority leader, replacing term-limited Bob Gardner. Senator Janice Rich is elected to serve as Senate minority whip. Senator Byron Pelton is elected to serve as Senate minority caucus chair, replacing term-limited Jim Smallwood. Representative Matthew Martinez is elected to serve as House majority co-whip along with then-Representative Iman Jodeh. Representative Junie Joseph is elected to serve as House majority co-caucus chair, replacing Representative Brianna Titone, who did not seek reelection to the position. December 9, 2024: Representative Andrew Boesenecker is appointed by Speaker Julie McCluskie to serve as Speaker Pro Tempore, replacing Representative Chris Kennedy, who was term limited. January 10, 2025: Representative Elizabeth Velasco is elected to serve as House majority co-whip, replacing Iman Jodeh who resigned from her House seat after being appointed by vacancy committee to represent the 29th district in the Senate. June 9, 2025: Senate Minority Leader Paul Lundeen resigns from his position as Senate Minority Leader and as state Senator. June 12, 2025: Assistant Senate Minority Leader Cleave Simpson is elected to serve as Senate Minority Leader following Paul Lundeen's resignation on June 9. Senator Lisa Frizell is elected to replace Simpson as Assistant Senate Minority Leader. July 8, 2025: Representative Carlos Barron is elected House Minority Whip. Former whip, Ryan Armagost, announced his resignation from the role on July 1, and also announced he would resign from the House of Representatives on September 1.
Legislation Notable legislative topics during the 75th General Assembly include workers' rights, gun regulation, and affordability. As the first regular session of the 75th General Assembly is still ongoing, most bills are still awaiting action.
Signed into law The following bills have been signed into law by Colorado Governor Jared Polis. SB 25-003 - Bans the sale of specific semi-automatic firearms unless buyers pass a firearm safety training course. Sponsored by Senators Tom Sullivan and Julie Gonzales, as well as Representatives Andrew Boesenecker and Meg Froelich. HB25-1040 - Statutorily adds nuclear energy to the list of clean energy sources. Meant to encourage the development of nuclear energy in Colorado. Sponsored by Senators Larry Liston and Dylan Roberts, as well as Representatives Ty Winter and Alex Valdez. HB25-1005 - Creates tax incentives for film festivals. Sponsors stated the objective of the bill was to lure the Sundance Film Festival to the state. Sponsored by Senators Mark Baisley and Judy Amabile, as well as Representatives Monica Duran and Brianna Titone. SB25-014 - Repeals the constitutional ban on same-sex marriage in Colorado. Sponsored by Senator Jessie Danielson, as well as Representatives Lorena Garcia and Brianna Titone.
Vetoed The following bills were vetoed by Colorado Governor Jared Polis.
SB 25-086 - If enacted, the bill would have obligated social media platforms to more actively monitor their sites and ban users who breached their terms of service or used the platforms to break state laws. It also would have mandated improved cooperation with law enforcement. The Senate overrode the Governor's veto, but the House postponed the bill to beyond the end of the legislative session, effectively sustaining the veto. SB 25-027 - If enacted, the bill would have lengthened the amount of time a records custodian has to respond to a CORA request, with the exception of requests submitted by journalists.
Lost The following bills were not passed out of the legislature.
SB25-201 - Would have required the implementation of age verification for pornographic websites. The bill was intentionally shelved on the sponsors' request in the Senate. Sponsored by Senators Paul Lundeen and Lindsey Daugherty, as well as Representatives Mandy Lindsay, and Meghan Lukens.
Members of the Colorado Senate
District Image Senator Party Residence Term limited? Notes 1 Byron Pelton Republican Sterling No Minority Caucus Chair (November 11, 2025 - present) Eligible for reelection in 2026. 2 Lisa Frizell Republican Castle Rock No Eligible for reelection in 2028. Assistant Minority Leader (June 12, 2025 - Present) 3 Nick Hinrichsen Democratic Pueblo No Majority Caucus co-chair (November 8, 2024 - present) Eligible for reelection in 2026. 4 Mark Baisley Republican Sedalia No Eligible for reelection in 2026. 5 Marc Catlin Republican Montrose No Eligible for reelection in 2028. 6 Cleave Simpson Republican Alamosa Yes Assistant Minority Leader (November 11, 2025 - June 12, 2025) Minority Leader (June 12, 2025 - Present) 7 Janice Rich Republican Grand Junction No Minority Whip (November 11, 2025 - present) Eligible for reelection in 2026. 8 Dylan Roberts Democratic Eagle No Majority Caucus co-chair (November 8, 2024 - present) Eligible for reelection in 2026. 9 Paul Lundeen Republican Colorado Springs Yes Minority Leader (November 10, 2022 - June 9, 2025) Resigned from the Senate on June 9. Lynda Zamora Wilson Republican El Paso CountyNoAppointed by vacancy committee following the resignation of Lundeen. 10 Larry Liston Republican Colorado Springs Yes 11 Tony Exum Democratic Colorado Springs No Eligible for reelection in 2026. 12 Marc Snyder Democratic Manitou Springs No Eligible for reelection in 2028. 13 Scott Bright Republican Platteville No Eligible for reelection in 2028. 14 Cathy Kipp Democratic Fort Collins No Eligible for reelection in 2028. 15 Janice Marchman Democratic Loveland No Eligible for reelection in 2026. 16 Chris Kolker Democratic Centennial Yes17Sonya Jaquez Lewis DemocraticBoulder -- Resigned on February 17, 2025. Katie Wallace Democratic Longmont No Selected by vacancy committee to serve until 2026 following Jaquez Lewis's resignation. Eligible for election in 2026. 18 Judy Amabile Democratic Boulder No Ranking Joint Budget Committee Member (November 8, 2024 - present) Eligible for reelection in 2028. 19 Lindsey Daugherty Democratic Arvada No Eligible for reelection in 2028. 20 Lisa Cutter Democratic Evergreen No Assistant Majority Leader (November 8, 2024 - present) Eligible for reelection in 2026. 21 Dafna Michaelson Jenet Democratic Commerce City No President Pro Tempore (November 8, 2024 - present) Eligible for reelection in 2028. 22 Jessie Danielson Democratic Wheat Ridge Yes 23 Barbara Kirkmeyer Republican Brighton Yes Ranking Joint Budget Committee Member (December 9, 2022 - present) 2028# 24 Kyle Mullica Democratic Northglenn No Eligible for reelection in 2026. 25 Faith Winter Democratic Thornton Yes 26 Jeff Bridges Democratic Greenwood Village Yes 27 Tom Sullivan Democratic Centennial No Eligible for reelection in 2026. 28 Mike Weissman Democratic Aurora No Eligible for reelection in 2028. 29 Iman Jodeh Democratic Aurora No Eligible for reelection in 2028. 30 John Carson Republican Highlands Ranch No Eligible for reelection in 2026. 31 Matthew Ball Democratic Denver No Eligible for reelection in 2028. 32 Robert Rodriguez Democratic Denver Yes Majority Leader (September 8, 2024 - present) 33 James Coleman Democratic Denver Yes Senate President (November 8, 2024 - present) 34 Julie Gonzales Democratic Denver Yes 35 Rod Pelton Republican Cheyenne Wells No Eligible for reelection in 2026.
Members of the House of Representatives