Haven’t voted yet in Colorado’s primary election? Don’t worry, procrastinator, there’s still time.
As long as you turn in your ballot at a drop box or voter service center by 7 p.m. Tuesday, or get in line by then to cast an in-person vote, you can participate. (Don’t mail your ballot back. It’s too late for that.)
The Colorado Sun has plenty of resources to help you fill out your ballot, including candidate issue guides (search by race below) and this explainer on what you need to know to vote.
As part of our procrastinator’s guide, we’re providing free access to primary-election related editions of The Unaffiliated, our politics and policy newsletter typically reserved for premium members of The Sun. (Become a premium member here to get the newsletter delivered right to your email inbox.)
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- 4th Congressional District special election
- 3rd Congressional District Republican primary
- 4th Congressional District Republican and Democratic primaries
- 5th Congressional District Republican and Democratic primaries
- 8th Congressional District Republican primary
- State House and Senate primaries
- State Board of Education primaries
4th Congressional District special election
Republican Greg Lopez, a former Parker mayor, and Democrat Trisha Calvarese, a former speechwriter and Democratic congressional aide, are running against each other in the 4th Congressional District special election that will determine who serves out the rest of former Republican U.S. Rep. Ken Buck’s term. He resigned March 22 but his term ends in early January. It’s the first congressional special election in Colorado in more than 30 years.
The highly Republican district includes Douglas County and Loveland and sweeps across the Eastern Plains.
- Democrats select Trisha Calvarese to be their nominee for the special election to replace Ken Buck
- Greg Lopez selected as Republican nominee for special election in Colorado’s 4th Congressional District to replace Ken Buck
- What you should know about Greg Lopez
— The Unaffiliated - 4th Congressional District special election debate
— The Unaffiliated - Ken Buck announces he will leave Congress
3rd Congressional District Republican primary
Six candidates are running in the Republican primary in the 3rd Congressional District, which sweeps across the Western Slope into Pueblo and southeastern Colorado. The winner will face de facto Democratic nominee Adam Frisch, a former Aspen city councilman, in November.
The district, currently represented by GOP U.S. Rep. Lauren Boebert, who is running for reelection instead in the 4th District, leans in Republicans’ favor.
- Where Republican candidates in Colorado’s 3rd Congressional District stand on big issues
- Democrat Adam Frisch is running TV ads in 3rd Congressional District GOP primary to boost his chances in November
- Democratic group is running ads boosting GOP election denier in Colorado congressional race
4th Congressional District Republican and Democratic primaries
There are six Republican candidates, including U.S. Rep. Lauren Boebert, running in the 4th Congressional District primary. There are three Democrats running in the 4th District primary. The highly Republican district includes Douglas County and Loveland and into the Eastern Plains.
- Where Democratic candidates in Colorado’s 4th Congressional District stand on big issues
- Where Republican candidates in Colorado’s 4th Congressional District stand on big issues
- How Lauren Boebert is handling her rough year — and how she views the future
- Lauren Boebert’s big fundraising advantage over her Republican primary opponents is another sign of her dominance
- Lauren Boebert has a massive lead in the 4th Congressional District Republican primary, poll shows
- Cory Gardner reenters Colorado political conversation to make endorsement in crowded 4th Congressional District race
- Democratic primary in Colorado’s 4th Congressional District is framed around electability
— The Unaffiliated - More from our day on the campaign trail with Lauren Boebert
— The Unaffiliated - Lauren Boebert attends her second major CD4 debate, this time in Douglas County
— The Unaffiliated
5th Congressional District Republican and Democratic primaries
There are two Republican candidates — Colorado GOP Chairman Dave Williams and conservative commentator and activist Jeff Crank — running in the 5th Congressional District primary. There are two Democrats running in the 5th District primary.
The highly Republican district is based in El Paso County. It’s currently represented by longtime Republican U.S. Rep. Doug Lamborn, who is retiring at the end of his term.
- Where Republican candidates in the 5th Congressional District stand on big issues
- Where Democratic candidates in the 5th Congressional District stand on big issues
- Republican primary in Colorado’s 5th Congressional District becomes $1 million fight for soul of GOP
- Colorado GOP spent $20,000 supporting Chairman Dave Williams’ congressional campaign in May, report shows
- Colorado GOP chair’s embrace of Trump tactics splits party as he tries to boost his own campaign
- Colorado GOP chairman angers candidates, county Republican leaders with primary endorsements
- Colorado GOP sends pro-Trump mailer attacking chairman’s primary opponent, newspaper
- What was served at the luncheon hosted by Dave Williams’ Colorado GOP
— The Unaffiliated
8th Congressional District Republican primary
Two Republicans — state Rep. Gabe Evans and former state Rep. Janak Joshi — are running in the 8th Congressional District primary for a chance to face Democratic U.S. Rep. Yadira Caraveo in November. The district, which spans from Denver’s northeast suburbs along U.S. 85 into Greeley, is expected to be one of the most competitive in the nation this year.
- Gabe Evans and Janak Joshi face off ahead of 8th Congressional District Republican primary
— The Unaffiliated - CD8 Republican candidates stake out highly conservative positions in their first debate
— The Unaffiliated
State House and Senate primaries
More than $3 million has poured into Democratic state House and Senate primaries across the Front Range in a battle for the direction of policy at the Colorado Capitol. Several incumbents are facing challenges.
- Expensive battle over direction of policy at the Colorado Capitol plays out in Democratic legislative primaries
- Elisabeth Epps, Tim Hernández — two of the Colorado legislature’s most liberal lawmakers — battle to keep their jobs
- Nearly $300K from group with hidden donors pours into Colorado legislative primary in Democratic district
- Group tied to Kent Thiry drops $1.1 million into Colorado legislative primaries in final days before election
- Meet Sean Camacho, the Democrat primarying Elisabeth Epps
— The Unaffiliated - Elisabeth Epps answers questions from The Colorado Sun
— The Unaffiliated - Colorado’s top 2024 legislative primaries — and who has the most campaign cash
— The Unaffiliated - The 11 Colorado legislative primaries to watch this election year
State Board of Education primaries
The Democratic primary for the 2nd Congressional District seat on the Colorado Board of Education could swing the 5-4 majority on the board that is willing to overturn local school districts when they deny charter school applications. Roughly $1 million has been spent on the contest as a result.
The 2nd District is a Democratic stronghold centered in Boulder County.