Race on the ballot
US Senate
On the November 3, 2026 ballot
The US Senate race is on every ballot in Colorado. Printed on the Nov. 3, 2026 ballot: Mark Baisley, John Hickenlooper, Bob Chew, Christopher Baum, Blake Huber and Adam Withrow.
- Office
- US Senate
- District
- Statewide
What the office does
Colorado has two U.S. senators, each elected statewide for a six-year term with no term limit. The Senate writes federal laws with the House, confirms federal judges and cabinet officers, and approves treaties.
Candidates on the ballot
As the Secretary of State certifies them, with party.
- Mark Baisley, Republican Party
- John Hickenlooper, Democratic Party, incumbent
- Bob Chew, Forward Party
- Christopher Baum, Approval Voting Party
- Blake Huber, Libertarian Party
- Adam Withrow, Unity Party
- Donald Willoughby, Unaffiliated, write-in candidate
- Will Powers, Republican Party, write-in candidate
- Ryan Apelbaum, Republican Party, write-in candidate
Official documents
- Secretary of State's list of 2026 general election candidates
- Campaign finance reports filed with the Federal Election Commission
- Colorado Union of Taxpayers 2023 ratings booklet
- Colorado Union of Taxpayers 2024 ratings booklet
- Colorado Union of Taxpayers 2025 ratings booklet
- Colorado Union of Taxpayers 2026 ratings booklet
The guide opens October 12
Sign up and you’ll get an email the day the guide is out.
Key dates
- October 2 to October 9: county clerks mail ballots to active voters.
- October 12: drop boxes open.
- October 26: last suggested day to return a ballot by mail.
- From October 27: return your ballot to a drop box or vote center instead of mailing it.
- November 3, 2026, Election Day: ballots are due by 7:00 p.m.
Page updated September 29, 2026