The all-important 2020 election is here. Colorado voters will begin to receive their mail ballots this week and plenty of major decisions await them.
To get you ready to vote, The Colorado Sun put together a voter guide that looks at how to vote, explains the 11 statewide ballot questions and breaks down the key races ahead of the Nov. 3 election.

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- What you need to know about mail ballots and voting in Colorado
- What you need to know about the 11 statewide ballot measures
- The presidential race in Colorado: Donald Trump vs. Joe Biden
- Colorado’s U.S. Senate race: Cory Gardner vs. John Hickenlooper
- 3rd Congressional District: Lauren Boebert vs. Diane Mitsch Bush
- Colorado General Assembly: Democrats look to hold majorities
LATEST ELECTION NEWS
What you need to know about mail ballots and how to vote in Colorado
Answers to questions about voting: Whether you’re new to mail ballots or need a make sure you remember how to do this, we have you covered. Here are answers to your questions about how elections work in Colorado. (UPDATED Oct. 19, 2020)
ASK US: If you have a question about voting or want to report problems voting, let us know and we’ll investigate.
EARLY VOTE TRACKER: Here’s a look at the Colorado turnout in the 2020 election
MONEY TRACKER: Colorado money tracker: A look at the candidates and campaigns spending to influence the 2020 vote
It’s Time to Vote: Get important information and tips on voting in your email once each week through Election Day. Sign up for The Colorado Sun’s It’s Time to Vote pop-up newsletter.
More coverage:
- How to tell who’s behind political messages flooding screens in Colorado ahead of the 2020 election
- Colorado opens statewide in-person voting. Here’s a look at the efforts designed to prevent coronavirus outbreaks.
- Did you make a mistake on your Colorado ballot? Or put it in the wrong drop box? Here’s what you can do.
- WATCH: Election officials bolster confidence in election, warn against misinformation at Colorado Sun forum
- Colorado election officials must verify a voter’s signature to count a ballot. Here’s how it works.
- Colorado wanted to make it easier for people with disabilities to vote. Then came coronavirus.
- President Donald Trump wants supporters to watch the polls. Democrats are recruiting them too. But first you need to know the rules.
- Colorado parolees are now allowed to vote. And advocates are rushing to register them.
- A test of Colorado mail finds delivery is timely — most of the time
- College students of Colorado: Here’s how to vote, whether you’re currently in the state or not
- As Donald Trump pushes disinformation, Colorado election officials reassure public on voting
Colorado early vote tracker: Here’s a look at the turnout in the 2020 election statewide and in the 11 largest counties
What you need to know about the 11 statewide ballot measures
VOTER GUIDE: This election, all Colorado voters will consider a series of statewide ballot measures on major policies.
The ballot questions include abortion, the Electoral College, paid leave for workers, taxes and even the reintroduction of wolves. We explained each ballot measure and what’s at stake. Start here with this quick guide to the ballot questions and find even more links to dive deep on each one.
More coverage:
Editor’s note: How The Colorado Sun will cover the 2020 election — and why we need your help
The presidential race in Colorado: Donald Trump vs. Joe Biden

Colorado is a must-win for Democrats if they want to take the White House.
In 2016, Donald Trump lost Colorado’s nine electoral votes by 5 percentage points, but his campaign is touting its organization in the state as a game-changer. But Democratic candidate Joe Biden’s campaign is feeling confident it will win.
POLL TRACKER: How Donald Trump and Joe Biden are polling in the 2020 presidential election
INTERACTIVE GRAPHIC: Donald Trump vs Joe Biden on Colorado issues: Where the presidential candidates stand
More coverage:
- Where Donald Trump and Joe Biden split on Colorado issues in presidential race
- Donald Trump’s Colorado troubles are evident in his poll numbers, new analysis shows
- How Colorado Republicans transformed from “Never Trump” to Donald Trump loyalists in four years
- Colorado doesn’t appear to be a presidential swing state in 2020. That could spell big trouble for Cory Gardner.
- A look at the Coloradans supporting Donald Trump and why they adore the president
Colorado’s U.S. Senate race: Cory Gardner vs. John Hickenlooper

The U.S. Senate race in Colorado will help decide which party controls the chamber after the November election.
The contest pits Republican U.S. Sen. Cory Gardner against Democratic challenger John Hickenlooper, the former governor and Denver mayor. And the two candidates are split on major issues, such as how to address climate change, health care and the economy.
POLL TRACKER: How Cory Gardner and John Hickenlooper are polling in the 2020 U.S. Senate election
INTERACTIVE GRAPHIC: Cory Gardner vs John Hickenlooper on Colorado issues: Where the U.S. Senate candidates stand
More coverage:
- A look at the major differences between Cory Gardner and John Hickenlooper in the U.S. Senate race
- Seven big takeaways from Cory Gardner and John Hickenlooper’s third — and most fiery — debate
- Cory Gardner takes offensive, levels attacks in first U.S. Senate debate against John Hickenlooper
- Here’s what John Hickenlooper thinks about a U.S. Supreme Court expansion and what makes a good justice
- Cory Gardner has voted to confirm 98% of Trump’s judicial nominees as decision on Ruth Bader Ginsburg’s seat looms
- Health care, the environment, coronavirus: How the pandemic has become a top election-year issue in Colorado
- John Hickenlooper’s conflicting record and rhetoric on fracking a point of dispute in U.S. Senate race
- Cory Gardner wants to get rid of Obamacare. But it’s not clear what he plans to replace it with.
- Here’s how Cory Gardner’s bill would and wouldn’t protect people with preexisting conditions
- Big Tech asserts its influence in Colorado, but the U.S. Senate candidates aren’t willing to discuss it
- Cory Gardner faces pressure to deliver on stimulus bill as he touts his coronavirus response in campaign
- The coronavirus campaign shows partisan split in Colorado, as top candidates mostly keep out of view
- Colorado progressives begrudgingly turn toward John Hickenlooper after U.S. Senate primary victory
- Cory Gardner goes all-in with Donald Trump, says the results for Colorado “are simply astounding”
- Cory Gardner’s science award led some to cry foul over climate change. Here’s why that’s notable for 2020.
3rd Congressional District: Lauren Boebert vs. Diane Mitsch Busch
The 3rd District is the most contested congressional race in Colorado. The vast district covers the Western Slope and southern Colorado.
Republican Lauren Boebert upset the incumbent congressman and now is favored in the heavily Republican district but she faces a challenge from Democrat Diane Mitsch Bush, who lost to Tipton two years ago.
- Diane Mitsch Bush outraises GOP rival Lauren Boebert in 3rd District as Democrats pour money into the race
- How Lauren Boebert rose from unknown to a candidate for Congress to someone in Donald Trump’s orbit
- Lauren Boebert discusses, defends her backstory during Durango visit
- Colorado’s GOP U.S. House candidate Lauren Boebert is latest linked to QAnon conspiracy theory
- Right-wing firebrand Lauren Boebert beats Trump-backed, 5-term incumbent U.S. Rep. Scott Tipton
- Want to understand the state of U.S. politics? Look no further than Colorado’s 3rd Congressional District primaries
Colorado General Assembly: Democrats look to hold majorities
The Democratic Party controls chambers of the state legislature and the two major parties are battle in a handful of swing districts this year. Here’s a look at the top races.