2026 General Election · Tuesday, November 3, 2026

U.S. Senate, Colorado

9 candidates, listed alphabetically.

Find your exact ballot All Colorado races

Candidates

Mark Baisley

Republican

Current office: state senator from the 4th district (previously ran for governor)

Mark Baisley is an American politician who is a state senator from Roxborough Park, Colorado. A Republican, Baisley represents Colorado's 4th Senate district.

Campaign website

About sources

Mark Baisley (Wikipedia, CC BY-SA 4.0)

Christopher Baum

Approval Voting

We haven't found a sourced summary for this candidate yet.

Bob Chew

Forward

We haven't found a sourced summary for this candidate yet.

Campaign website

John Hickenlooper

DemocraticIncumbent

Current office: U.S. Senator from Colorado

Democratic U.S. Senator from Colorado, serving since 2021. Senate committee assignments: Committee on Commerce, Science, and Transportation; Committee on Energy and Natural Resources; Committee on Health, Education, Labor, and Pensions; Committee on Small Business and Entrepreneurship.

Campaign website

About sources

Committee Assignments of the 119th Congress (United States Senate, Public domain (U.S. government work))
Senators contact information (senators_cfm.xml) (United States Senate, Public domain (U.S. government work))
congress-legislators: legislators-current.json (service dates) (@unitedstates project, CC0 1.0)
Biographical Directory of the United States Congress (U.S. Congress, Public domain (U.S. government work))
John Hickenlooper (Wikipedia, CC BY-SA 4.0)

Blake Huber

Libertarian

We haven't found a sourced summary for this candidate yet.

Adam Withrow

Unity

We haven't found a sourced summary for this candidate yet.

Ryan Apelbaum

RepublicanWrite-in

We haven't found a sourced summary for this candidate yet.

Will Powers

RepublicanWrite-in

We haven't found a sourced summary for this candidate yet.

Donald Willoughby

UnaffiliatedWrite-in

We haven't found a sourced summary for this candidate yet.

Sources

Candidate list and race details

2026 General Election official candidate list (Colorado Secretary of State, Public record)
2026 United States Senate elections (Wikipedia, CC BY-SA 4.0)
2026 United States Senate election in Colorado (Wikipedia, CC BY-SA 4.0)

What's included: U.S. Senate and House, statewide offices, state legislative races (shown in the app once you enter your address) and statewide ballot measures.

Local races (county, city, school board, judges) and anything else on your ballot are on your official sample ballot: sos.state.co.us.

Candidate lists as of Wednesday, October 14, 2026.

This is not an official ballot. Confirm your registration, polling place and ballot with your election office through vote.gov.