Colorado Election Dates and Deadlines
Welcome to the Colorado Election Dates and Deadlines listing from U.S. Vote Foundation.
Here you can find out when Colorado elections will be held at the local, state and federal election level. There are many different deadlines associated with Colorado elections, such as voter registration deadlines, absentee ballot request and ballot return deadlines, date ranges for early voting, and in-person voting options. No matter the type of election, or whether you are voting at home or voting from abroad, this service will provide you with comprehensive election dates and deadlines for your voting state of Colorado.
Colorado Federal and State Elections
Tue Mar 5, 2024 - Colorado Presidential Primary
Voter Registration Deadline
- At Registration Drive by
Mon Feb 12, 2024 - In the Mail by
Mon Feb 26, 2024 - Online by
Mon Feb 26, 2024 - Election Day Registration & Voting
Tue Mar 5, 2024 - In-Person, Received by
Tue Mar 5, 2024
Absentee Ballot Request Deadline
Not Necessary: All Elections in this State are Vote-by-MailEvery voter receives a mail ballot. The ballot will be sent to the mailing address you provided for your voter registration file.
Absentee Ballot Return Deadline
Received byTue Mar 5, 2024 7:00PM MST
Early Voting Available
Early VotingFrom Mon Feb 26, 2024 to Mon Mar 4, 2024
Feb 12, 2024: Last day for voters who are affiliated with a political party to change or withdraw their affiliation if they wish to vote in a different party's primary election for the March 5th Presidential Primary Election.
Tue Jun 25, 2024 - Colorado State Primary
Voter Registration Deadline
- At Registration Drive by
Mon Jun 3, 2024 - In the Mail by
Last day for an individual to submit a voter registration application and still receive a ballot in the mail for the June 25th Primary Election
Mon Jun 17, 2024 - Online by
Last day for an individual to submit a voter registration application and still receive a ballot in the mail for the June 25th Primary Election
Mon Jun 17, 2024 - Election Day Registration & Voting
Tue Jun 25, 2024 - In-Person, Received by
Tue Jun 25, 2024
Absentee Ballot Request Deadline
Not Necessary: All Elections in this State are Vote-by-MailEvery voter receives a mail ballot. The ballot will be sent to the mailing address you provided for your voter registration file.
Absentee Ballot Return Deadline
Received byTue Jun 25, 2024 7:00PM
Early Voting Available
Early VotingFrom Mon Jun 17, 2024 to Mon Jun 24, 2024
June 3, 2024: Last day for voters who are affiliated with a political party to change or withdraw their affiliation if they wish to vote in a different party's primary election for the June 25th Primary Election.
Tue Jun 25, 2024 - Colorado Congressional District 4 Special General Election
Voter Registration Deadline
- At Registration Drive by
Mon Jun 3, 2024 - In the Mail by
Mon Jun 17, 2024 - Online by
Mon Jun 17, 2024 - Election Day Registration & Voting
Tue Jun 25, 2024 - In-Person, Received by
Tue Jun 25, 2024
Absentee Ballot Request Deadline
Not Necessary: All Elections in this State are Vote-by-MailEvery voter receives a mail ballot. The ballot will be sent to the mailing address you provided for your voter registration file.
Absentee Ballot Return Deadline
Received byTue Jun 25, 2024 7:00PM
Early Voting Available
Early VotingFrom Mon Jun 17, 2024 to Mon Jun 24, 2024
Tue Nov 5, 2024 - Colorado General Election
Voter Registration Deadline
- At Registration Drive by
Mon Oct 14, 2024 - In the Mail by
Mon Oct 28, 2024 - Online by
Mon Oct 28, 2024 - Election Day Registration & Voting
Tue Nov 5, 2024 - In-Person, Received by
Tue Nov 5, 2024
Absentee Ballot Request Deadline
Not Necessary: All Elections in this State are Vote-by-MailEvery voter receives a mail ballot. The ballot will be sent to the mailing address you provided for your voter registration file.
Absentee Ballot Return Deadline
Received byTue Nov 5, 2024 7:00PM
Early Voting Available
Early VotingFrom Mon Oct 21, 2024 to Mon Nov 4, 2024
Colorado Local Elections
Colorado Federal and State Elections
Tue Mar 5, 2024 - Colorado Presidential Primary
Voter Registration Deadline
Submitted byTue Mar 5, 2024
Absentee Ballot Request Deadline
No DeadlineAbsentee Ballot Return Deadline
- Email, Online or Fax by
Tue Mar 5, 2024 7:00PM MST - Postmarked On or Before Election Day and Received by
Wed Mar 13, 2024 7:00PM MDT
Tue Jun 25, 2024 - Colorado State Primary
Voter Registration Deadline
Submitted byTue Jun 25, 2024
Absentee Ballot Request Deadline
Request to Receive Blank Ballot by Mail byTue Jun 18, 2024
Absentee Ballot Return Deadline
- Email, Online or Fax by
Voters are strongly encouraged to return their ballot and affidavit via the secure online portal rather than email..
Tue Jun 25, 2024 7:00PM - Postmarked On or Before Election Day and Received by
Wed Jul 3, 2024 7:00PM
Tue Jun 25, 2024 - Colorado Congressional District 4 Special General Election
Voter Registration Deadline
Received byTue Jun 25, 2024
Absentee Ballot Request Deadline
- Request for Postal Ballot by
Tue Jun 18, 2024 - Email, Online or Fax by
Tue Jun 25, 2024
Absentee Ballot Return Deadline
- Email, Online or Fax by
Tue Jun 25, 2024 7:00PM - Postmarked On or Before Election Day and Received by
Wed Jul 3, 2024 7:00PM
Tue Nov 5, 2024 - Colorado General Election
Voter Registration Deadline
Received byTue Nov 5, 2024
Absentee Ballot Request Deadline
- Request to Receive Blank Ballot by Mail by
Tue Oct 29, 2024 - Request for Email, Online or Fax Ballot by
Tue Nov 5, 2024
Absentee Ballot Return Deadline
- Email, Online or Fax by
Tue Nov 5, 2024 7:00PM - Postmarked On or Before Election Day and Received by
Wed Nov 13, 2024 7:00PM