Denver Voting 101

Ballots are out! The 2025 election is now in full swing. Here’s the when, how, and where to help you navigate this year’s voting process 🇺🇸 ✅

Important Dates

Before You Vote

Check your registration
Double check that your voter registration is up to date, or register to vote if you haven't yet.

Plan ahead
Decide how you want to vote — mail-in or in-person — then double check deadlines and find your nearest voting center or drop-off location.

Get a sneak peek
You can check out a sample Denver ballot (available in multiple languages).

Stay updated
If you like friendly reminders, sign up for election alerts.

Vote Confidently

Track your ballot
From printed to "accepted," know where your ballot is every step of the way with BallotTrax.

Rest assured
Learn about Colorado’s election security. (Also check out these tips for fact-checking political ads.)

Additional Resources

Do your research
Read the official ballot language for each measure at Ballotpedia.

Follow the money
Check out SearchLight Denver for more info on campaign finances for each measure

Voting FAQs

Am I eligible?

Coloradans who meet the 22-day state residency requirement and are at least 18 years old can register to vote all the way through Election Day.

What if I didn’t get my ballot?

If you don't receive your ballot or need a replacement/accessible ballot, you can pick one up at a local voting center.

What if I’ll be out of town and need my ballot sent somewhere else?

You can either pick up your ballot in person at a local voter center, or you can have your ballot mailed to a temporary address by calling the County Clerk’s Office at 720-913-8683.

What if I need a new ballot?

Voters with lost, damaged, or mismarked ballots can get a replacement by visiting a local voting center.

What do I need to vote in-person?

You’ll need a valid form of ID that shows a Colorado address.

What happens if my ballot is rejected?

Denver election officials will attempt to reach you (by phone, email, or mail) to give you the chance to correct the problem. Voters have until eight days after the election to do so.

👉 Find answers to less frequently asked questions here, including voting if you’re unhoused, types of acceptable identification, and what to do about ballot mistakes.