Colorado
Candidates who support common-sense gun safety laws are running up and down the ballot this year in Colorado. Learn more and plan your vote.
In an average year, 1,000 people die by guns in Colorado. More at EveryStat.
in the country for Gun Law Strength (Same as last year). Learn more about Gun Law Rankings.
Colorado Voter Registration Deadlines — 2026 Statewide Primary and General Elections
As always, it’s best to double-check your state’s election website to verify the information outlined below and to see any recent changes to election rules: Colorado Election Website
Upcoming Statewide Election Dates in Colorado
Primary: June 30, 2026
General: November 3, 2026
In-Person Voter Registration Deadline
Primary Election: June 22, 2026, is the last day for Colorado residents to register in person to vote in the primary election to receive a ballot by mail. Colorado offers in-person voter registration through Election Day.
General Election: October 26, 2026, is the last day for Colorado residents to register in person to vote in the general election to receive a ballot by mail. Colorado offers in-person voter registration through Election Day.
Learn more about in-person voter registration in Colorado.
Mail Voter Registration Deadline
Primary Election: June 22, 2026, is the last day for Colorado residents registering via mail to vote in the primary election to postmark their application forms.
General Election: October 26, 2026, is the last day for Colorado residents registering via mail to vote in the general election to postmark their application forms.
Use the Gun Sense Voter registration tool to access Colorado’s voter registration form. You will have the option to download Colorado’s voter registration form, or to continue with the voter registration process online.
Online Voter Registration Deadline
Primary Election: June 22, 2026, is the last day for Colorado residents to register online to vote in the 2026 primary election.
General Election: October 26, 2026, is the last day for Colorado residents to register online to vote in the 2026 general election.
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Join Our Movement
Join your local Moms Demand Action chapter 
Join your local Students Demand Action chapter 
Join the Gun Sense Action Network Gun Sense Candidates in Colorado
This Gun Sense Candidate distinction signals that candidates have demonstrated that they will govern with gun safety in mind if elected. Learn more.
