See the statewide races and measures on Colorado ballots, plus your voting dates and rules.
Enter your ZIP code in the guide to add your local races. Your picks stay on your device.
Local guides in Colorado
Key dates
- In-person voting: Mon, Oct 19 to Mon, Nov 2State law requires the minimum number of Voter Service and Polling Centers to open by Monday, October 19 (some counties open earlier). Hours depend on your county. Every county this guide covers is open Saturday, Oct 31, 8 AM to 5 PM, and Election Day, 7 AM to 7 PM. Some centers only open in the last week. Adams County is also open Sunday, Nov 1, 10 AM to 2 PM; Arapahoe's centers are closed that Sunday. Check your county's list for your center's hours.
- Last day to register online: Mon, Oct 26Register or update online at GoVoteColorado.gov by Monday, October 26 (8 days before the election) to still get a ballot in the mail. After that you can still register, but only in person at a vote center.
- Last day to register by mail: Mon, Oct 26Paper applications by mail, at a DMV, or at a voter registration agency must be submitted by the 8th day before the election (October 26) to get a mail ballot. Voter registration drives had an earlier cutoff: 22 days before the election (October 12).
- Mail ballot request and replacement datesYou don't need to request a ballot. If yours never arrived, was lost, or you made a mistake, ask your county clerk for a replacement. Denver says October 26 is the last day to request that a replacement be mailed to you; after that, get a replacement in person at a vote center or just vote in person. Denver also says: if your ballot hasn't arrived by Tuesday, October 13, call 720-913-VOTE (8683).
- Last day to register in person: Tue, Nov 3You can register in person at any Voter Service and Polling Center in your county through 7:00 PM on Election Day and vote right then.
- Mail ballot deadline: Tue, Nov 37:00 PM MT
- 24-hour drop box (any drop box in your county; Denver has 49, open since Oct. 5; statewide minimum open since Oct. 12)
- any Voter Service and Polling Center in your county (during its hours)
- mail (USPS): too late now. The state's last suggested day was Monday, October 26. Use a drop box or a vote center instead (no stamp needed).
- county clerk's election office (Denver Elections Division, 200 W. 14th Ave., has a drop box at the NE corner of the building)
- Election Day: Tue, Nov 3Polls close at 7 PM. If you are in line at a vote center by 7:00 PM you get to vote, no matter how long it takes. Ballots in a drop box or in the clerk's hands by 7:00 PM count; drop boxes lock at 7:00 PM.
How voting works in Colorado
Every registered voter gets a ballot in the mail. Fill it out, sign the envelope, and drop it in a drop box or mail it back early. You can also vote in person at any vote center in your county.
Where to vote
What to bring
ID required in person; non-photo ID is OK.
- Valid Colorado driver's license or Colorado ID card (digital format accepted)
- Valid U.S. passport or passport card
- Valid U.S. military ID with photo
- Valid employee ID with photo issued by a U.S., Colorado, county, or municipal government entity
- Valid pilot's license (FAA)
- Copy of a current (within 60 days) utility bill, bank statement, government check, paycheck, or other government document showing your name and Colorado address
- Certificate of Degree of Indian or Alaskan Native Blood
- Valid Medicare or Medicaid card
- Certified copy of a U.S. birth certificate
- Certified naturalization documents
- Valid student ID with photo from a Colorado institution of higher education
- Valid VA veteran ID card with photo
- Valid tribal government ID card
- Division of Youth Services ID card
- If the ID shows an address, it must be a Colorado address (it does not have to match your registration address)
No ID? Mail ballots: no ID is needed for most voters; your signature is your ID. Only some first-time voters must include a photocopy of ID (your packet will say). In person: ID is required for everyone. If you don't have one you can vote a provisional ballot, which is counted once the county verifies your eligibility, or you can go home, pick up your mail ballot, and drop it off instead.
Statewide races and measures
12 races and 14 measures statewide. Your ballot also has races for where you live.
Federal
- U.S. Senate
Mark Baisley (Republican), John Hickenlooper (Democratic), Bob Chew (Forward), Christopher Baum (Approval Voting), Blake Huber (Libertarian), Adam Withrow (Unity)
State
- Governor and Lieutenant Governor
Victor Marx / George Washington Markert (Republican), Phil Weiser / Lesley Dahlkemper (Democratic), Stephen T. Hamilton / James K Treibert (American Constitution), Eric Mulder / Wayne Harlos (Libertarian), Jeff Peckman / T.J. Cole (Unity), Erik Underwood / Frank Atwood (Approval Voting), Greg Lopez / Taralyn Romero (Unaffiliated)
- Attorney General
Michael J. Allen (Republican), Jena Griswold (Democratic)
- Secretary of State
Amanda Gonzalez (Democratic), James Wiley (Republican), Sean Vadney (Libertarian), Amanda Campbell (American Constitution), Celeste Landry (Forward)
- State Treasurer
Jeff Bridges (Democratic), Kevin Grantham (Republican), Jodie Barr (Libertarian), Marilee Langner Sturgis (Approval Voting)
Courts
- William W. Hood, III Colorado Supreme Court
You vote on whether this judge stays in office.
- Rebecca Rankin Freyre Colorado Court of Appeals
You vote on whether this judge stays in office.
- Elizabeth L. Harris Colorado Court of Appeals
You vote on whether this judge stays in office.
- Katharine E. Lum Colorado Court of Appeals
You vote on whether this judge stays in office.
- Pax Moultrie Colorado Court of Appeals
You vote on whether this judge stays in office.
- Karl L. Schock Colorado Court of Appeals
You vote on whether this judge stays in office.
- Grant Sullivan Colorado Court of Appeals
You vote on whether this judge stays in office.
Ballot measures
- Amendment 81: Police reporting to immigration authorities
- Amendment 82: Right to buy natural gas
- Amendment 83: Right to hunt and fish
- Amendment 84: Mail ballot identification requirements
- Amendment 85: Plain language ballot titles
- Amendment 86: Redistricting between censuses
- Amendment 87: Income tax brackets
- Proposition NN: State revenue cap and education
- Proposition 132: Fentanyl crime penalties
- Proposition 133: Child sex trafficking penalties
- Proposition 134: Sex categories in school sports
- Proposition 135: Surgery to alter minors’ sex characteristics
- Proposition 136: Income tax rate limit
- Proposition 137: Sporting goods taxes for conservation
Official voting info: GoVoteColorado (Colorado Secretary of State).