Colorado: what's on the November 3, 2026 ballot
Every candidate below is listed alphabetically, with party shown as text only. Open a name for their stated positions, background and recent news, each with sources.
Open Colorado on the mapKey dates
- Mail ballots sent to every active registered voter: October 2, 2026 to October 9, 2026. Colorado mails a ballot to every active voter, so you do not need to request one. If you return it by mail, the Secretary of State advises mailing it by October 26. After that, use a drop box or voter center. Ballots must arrive by 7:00 p.m. on Election Day.
- In-person voting at voter service and polling centers: October 19, 2026 to November 3, 2026. Counties had to open their required voter centers by October 19. Hours and locations vary by county, so check GoVoteColorado.gov.
- Deadline to register or update registration online or by mail and still be mailed a ballot: October 26, 2026. After October 26, eligible Coloradans can still register and vote in person at a voter service and polling center until 7:00 p.m. on Election Day.
- Election Day: November 3, 2026. Voter centers are open 7:00 a.m. to 7:00 p.m. Ballots must be received at a drop box, voter center or county clerk by 7:00 p.m.
Official election information: vote.gov
Who's running
Only the U.S. Senate and governor races are loaded so far. Other statewide offices, ballot measures, U.S. House and local races aren't loaded yet. Check your sample ballot for the full list.
United States Senator
Voters elect one U.S. senator to a six-year term. Incumbent Democrat John Hickenlooper is running for re-election.
- Mark Baisley Republican · Challenger
- Christopher Baum Approval Voting · Challenger
Christopher Baum is the Approval Voting Party nominee for U.S. Senate in Colorado in the November 3, 2026 general election. He is a retired Navy commander based in Denver who… - Bob Chew Forward · Challenger
Bob Chew is a Boulder resident and Navy veteran who co-founded an engineering and technical services company with his wife in the 1990s. He was a registered Republican until 2025,… - John Hickenlooper Democratic · Incumbent
John Hickenlooper is the Democratic U.S. senator from Colorado. He is running for a second term, which he has said would be his last. Before joining the Senate he was Denver's… - Blake Huber Libertarian · Challenger
Blake Huber is the Libertarian Party nominee for U.S. Senate in Colorado on the November 3, 2026 general election ballot. He has worked in management for more than 30 years and has… - Adam Withrow Unity · Challenger
Adam Withrow is the Unity Party nominee for U.S. Senate in Colorado on the November 3, 2026 general election ballot. He describes himself as a working-class candidate, not a…
Governor and Lieutenant Governor
Voters elect a governor and lieutenant governor together on one ticket for a four-year term. This is an open seat because Gov. Jared Polis (D) is term-limited. The running mates are: Weiser with Lesley Dahlkemper, Marx with George Washington Markert, Hamilton with James K Treibert, Mulder with Wayne Harlos, Peckman with T.J. Cole, Underwood with Frank Atwood, and Lopez with Taralyn Romero.
- Stephen T. Hamilton American Constitution · Open seat
- Greg Lopez Unaffiliated · Open seat
- Victor Marx Republican · Open seat
- Eric Mulder Libertarian · Open seat
- Jeff Peckman Unity · Open seat
- Erik Underwood Approval Voting · Open seat
- Phil Weiser Democratic · Open seat
Get ballot reminders by email
Key dates and a short, neutral rundown of your ballot. Free, no ads, unsubscribe anytime. Privacy