- December 22 - Colorado Secretary of State’s Election Security Team Wins Prestigious U.S. Attorney’s Award of Excellence
- December 17 - Go Code Colorado's Business Opportunity Challenge Announces 2020 Winners
- December 14 - The Colorado Secretary of State’s Office to Submit Written Testimony to Legislative Audit Committee on Colorado Election Integrity
- December 14 - Colorado’s Electors Meet to Cast Votes for President and Vice President
- December 10 - Secretary of State Jena Griswold Highlights Increase in 2020 Voter Turnout on Tribal Lands
- December 8 - Colorado Secretary of State Jena Griswold Certifies the State’s 2020 General Election
- December 1 - Colorado Secretary of State Adopts New Remote Notarization Rules
- November 30 - Colorado Secretary of State's Office Updates Compiled Election Result Totals
- November 20 - Statement from Colorado Secretary of State Jena Griswold on Colorado’s Elections
- November 10 - Colorado economy shows more signs of recovery, filings indicate
- November 6 - General Election Ballot Returns: November 6, 2020
- November 5 - General Election Ballot Returns: November 5, 2020
- November 4 - Colorado’s 2020 General Election Turnout Sets Records
- November 3 - General Election Ballot Returns: November 3, 2020- 7:00 PM Update
- November 3 - General Election Ballot Returns: November 3, 2020 - 12:45 PM Update
- November 2 - General Election Ballot Returns: November 2, 2020 - 4 PM Update
- November 2 - General Election Ballot Returns: November 2, 2020
- October 31 - General Election Ballot Returns: October 31, 2020
- October 30 - Colorado Secretary of State Jena Griswold Highlights Election Results Reporting Process
- October 30 - General Election Ballot Returns: October 30, 2020
- October 29 - General Election Ballot Returns: October 29, 2020
- October 28 - General Election Ballot Returns: October 28, 2020
- October 27 - Colorado Secretary of State’s Office Hires Native American Outreach Coordinator
- October 27 - General Election Ballot Returns: October 27, 2020
- October 26 - General Election Ballot Returns: October 26, 2020
- October 26 - Today is Last Suggested Day to Return Ballots by Mail; Starting Tuesday, Colorado Voters Reminded to Return Mail Ballots Exclusively via Drop Box or Voting Center
- October 23 - Voter Information for Coloradans Displaced by Wildland Fires
- October 23 - General Election Ballot Returns: October 23, 2020
- October 23 - Secretary of State Jena Griswold Alerts Colorado Businesses of Misleading Filing Solicitations
- October 22 - General Election Ballot Returns: October 22, 2020
- October 21 - Statement from Secretary of State Jena Griswold in Response to News Conference with Intelligence Officials on Election Security
- October 21 - General Election Ballot Returns: October 21, 2020
- October 20 - General Election Ballot Returns: October 20, 2020
- October 20 - Colorado Secretary of State Jena Griswold to Launch Misinformation Initiative
- October 19 - General Election Ballot Returns: October 19, 2020
- October 19 - Early In-Person Voting Begins Statewide Today
- October 15 - Colorado Secretary of State Commences Permanent Rulemaking and Extends Remote Notarization Emergency Rules Until December 30
- October 15 - General Election Ballot Returns: October 15, 2020
- October 13 - Colorado Secretary of State’s Office Facilitates Delivery of Personal Protective Equipment to Counties for General Election
- October 9 - Colorado Department of State Online Services To Be Temporarily Unavailable Sunday Night, Along With Other State Agencies
- October 9 - General Election Ballots Mailed to Voters Beginning Today
- October 7 - Colorado Secretary of State Jena Griswold Announces TXT2Cure Program
- October 6 - Colorado Secretary of State Jena Griswold To Testify Before Congress
- October 2 - Colorado Department of State Online Services To Be Temporarily Unavailable Sunday Night, Along With Other State Agencies
- September 25 - Coloradans Turning Out In Record Numbers to Serve as Election Judges
- September 24 - Colorado Secretary of State’s Office to Provide Funding for Counties for Sunday Voting
- September 22 - Secretary of State Jena Griswold and Denver Broncos Team Up for a Special National Voter Registration Day Town Hall
- September 18 - U.S. Postal Service agrees to destroy mailers with inaccurate voting info, give Colorado unprecedented ability to review future materials related to voting procedures in the 2020 election
- September 17 - Statement from Colorado Secretary of State Jena Griswold on the Federal Judge’s Injunction Blocking USPS Attempts to Delay the Mail
- September 16 - Go Code Colorado Announces New Business Opportunities Challenge
- September 16 - Colorado Secretary of State Jena Griswold Meets with Tribal Councils to Partner on Increased Voting Access on Tribal Lands
- September 14 - Colorado To Implement Ballot Tracking Statewide for November’s Election
- September 12 - Statement from Colorado Secretary of State Jena Griswold on Lawsuit Filed Against the USPS
- September 4 - Colorado Secretary of State’s Office Announces Election Rules and Guidance for County Election Officials
- September 3 - Statement from Colorado Secretary of State Jena Griswold on Recent Administration Comments on Vote by Mail
- September 1 - Colorado Secretary of State Jena Griswold Announces “ALL IN Collegiate Voting Challenge"
- September 1 - Colorado To Provide 368 Ballot Drop Boxes Statewide for Voters
- August 28 - Colorado Secretary of State Jena Griswold Joins Washington Secretary of State Kim Wyman in Bipartisan Request for Additional Federal Election Funding
- August 27 - Proposed Initiative #257 (“Local Voter Approval of Gaming Limits in Black Hawk, Central City, and Cripple Creek”) Qualifies For 2020 General Election Ballot
- August 25 - Proposed Initiative #283 (“Paid Family and Medical Leave Insurance Program”) Qualifies For 2020 General Election Ballot
- August 24 - Proposed Initiative #295 (“Voter Approval Requirement for Creation of Certain Fee-Based Enterprises”) Qualifies For 2020 General Election Ballot
- August 21 - Statement from Colorado Secretary of State Jena Griswold on President Trump Sending Law Enforcement to Polling Locations on Election Day
- August 19 - Karzen Qualifies for General Election Ballot; Mulder and Young Do Not
- August 17 - Proposed Initiative #306 (“State Income Tax Rate Reduction”) Qualifies For 2020 General Election Ballot
- August 17 - Three Candidates Qualify for General Election Ballot
- August 14 - Statement from Colorado Secretary of State Jena Griswold on United States Postal Service Letters to States Regarding Mail Ballots
- August 14 - Four Candidates Qualify for General Election Ballot for RTD Board of Directors; One Candidate Does Not
- August 13 - Statement from Colorado Secretary of State Jena Griswold on President Trump’s Comments on United States Postal Service Funding for Mail Ballots
- August 12 - Colorado Secretary of State Jena Griswold Responds to Misinformation Related to Ballot Drop Boxes
- August 11 - Broom, Mihalik, and Sloan Qualify for General Election Ballot for RTD Board of Directors; Johnson Does Not
- August 10 - Colorado Secretary of State’s Office Enacts New Rules for Campaign Finance Enforcement
- August 7 - 2020 General Election Candidate List Webpage Now Live
- August 4 - Proposed Initiative #200 (“Expungement of Eligible Criminal Records”) Does Not Qualify For 2020 General Election Ballot
- July 31 - Dishell and Williams Qualify for General Election Ballot for RTD Board of Directors
- July 31 - Secretary of State Jena Griswold Joins Group of National Secretaries of State Requesting Election Funding in Stimulus
- July 30 - Secretary of State Jena Griswold Confirms Colorado’s General Election Will Be Held on November 3
- July 28 - Colorado’s State Primary Election Is Official
- July 23 - Nelson Qualifies for General Election Ballot for RTD Board of Directors
- July 20 - Colorado Secretary of State Jena Griswold Announces New Rapid Response Election Security Team
- July 6 - Joint statement from Colorado Secretary of State Jena Griswold and Attorney General Phil Weiser on U.S. Supreme Court’s Decision in Colorado Department of State v. Baca
- July 1 - State Primary Ballot Returns: July 1, 2020
- July 1 - Colorado’s Record-Breaking State Primary Proves Vote-by-Mail Model is Successful
- June 30 - State Primary Ballot Returns: June 30, 2020- 4 PM Update
- June 30 - State Primary Ballot Returns: June 30, 2020- Mid-Day Update
- June 30 - State Primary Ballot Returns: June 30, 2020- AM Update
- June 29 - State Primary Ballots Returned: June 29, 2020
- June 26 - Secretary of State Jena Griswold Applauds Signing of Remote Notary Legislation into Law
- June 26 - State Primary Ballots Returned: June 26, 2020
- June 25 - State Primary Ballots Returned: June 25, 2020
- June 24 - State Primary Ballots Returned: June 24, 2020
- June 23 - State Primary Ballots Returned: June 23, 2020
- June 22 - State Primary Ballots Returned: June 22, 2020
- June 22 - Coloradans Encouraged to Return Ballots By Drop Box to Ensure Receipt by Election Day; Early, In-Person Voting Starts Today
- June 16 - Secretary of State Jena Griswold’s Statement on Signing of Colorado Partnership for Quality Jobs and Services Act into Law
- June 15 - Colorado Secretary of State Jena Griswold Announces Program to Add Drop Boxes Across State, Further Expanding Coloradans’ Access to Voting
- June 9 - Statewide Primary Ballots Mailed this Week
- June 8 - Proposed Initiative #120 (“Prohibition on Late-Term Abortion”) Qualifies For 2020 Ballot
- May 30 - Colorado Secretary of State’s Office Issues Rules for Ballot Petition Signature Gathering
- May 29 - Colorado Secretary of State’s Office Announces Election Guidance for County Election Officials
- May 26 - Secretary of State Jena Griswold Encourages Coloradans to Join the State’s Election Process as Election Judges, and Announces Election Judge Recruitment Effort
- May 19 - Colorado Updates Automatic Voter Registration System
- May 13 - Colorado Attorney General Phil Weiser and Secretary of State Jena Griswold joint statement on Colorado Department of State v. Baca argument before the U.S. Supreme Court (PDF)
- May 9 - Secretary of State's Office Enacts Emergency Rules for Conducting Elections During COVID-19
- May 4 - Secretary of State Jena Griswold, Representative Tom Sullivan Call for Federal Funding of U.S. Post Office
- May 1 - Colorado Secretary of State's Office to Delay Unaffiliated and RTD Candidate Petition Gathering
- April 30 - Secretary of State Jena Griswold Alerts Colorado Businesses of Misleading Filing Solicitations
- April 28 - Colorado business filings decline, reflecting coronavirus slowdown
- April 28 - Colorado Secretary of State’s Remote Notarization Emergency Rules Extended Until May 30
- April 21 - Wheeler Does Not Qualify for State Primary Ballot
- April 20 - Lorena Garcia Does Not Qualify for State Primary Ballot
- April 15 - Michelle Ferrigno Warren Does Not Qualify for State Primary Ballot
- April 9 - Harber Qualifies for State Primary Ballot
- April 7 - Diana Bray Does Not Qualify for State Primary Ballot
- April 7 - Colorado Secretary of State’s Office Extends Charity Filing Deadlines
- April 6 - Ferguson, Padden Qualify for State Primary Ballot
- April 3 - Proposed Initiative #120 (“Prohibition on Late-Term Abortion”) Does Not Qualify For 2020 Ballot
- April 2 - Support Resources for Colorado Businesses During COVID-19
- April 1 - Colorado Secretary of State Jena Griswold To Hold Virtual Town Hall Tomorrow
- April 1 - Faithless electors: In U.S. Supreme Court brief, State says it must enforce electors’ pledges to protect the true character of the Nation’s democratic principles (PDF)
- April 1 - Maillaro, Morganstern Qualify for State Primary Ballot; Adams Does Not
- March 30 - Colorado Secretary of State’s Office Enacts Remote Notarization Emergency Rules
- March 28 - Colorado Secretary of State’s Office To Implement Remote Notarization
- March 27 - Electronic Recording Technology Board Awards Up To $200,000 in Emergency Grants To Help Colorado Counties Record Remotely
- March 26 - Colorado Secretary of State Jena Griswold Statement on Election Funding in Coronavirus Stimulus Package
- March 26 - Secretary of State Jena Griswold Cautions Coloradans to Beware of Scammers Exploiting the COVID-19 Virus
- March 25 - Gross, Larson Qualify for State Primary Ballot
- March 20 - King Qualifies for State Primary Ballot
- March 17 - Daugherty Qualifies for State Primary Ballot
- March 17 - Colorado Secretary of State’s Office Suspending In-Person Service, Postponing Title Board Meeting
- March 16 - John Hickenlooper Qualifies for State Primary Ballot
- March 16 - Colorado Secretary of State’s Office Altering Operations Due to Coronavirus
- March 13 - Himelspach, Lamborn Qualify for State Primary Ballot
- March 9 - Colorado’s Young Voter Turnout Strong for Presidential Primary
- March 6 - Ballots Returned: March 6, 2020
- March 5 - Ballots Returned: March 5, 2020
- March 5 - Colorado Presidential Primary Turnout Sets Records
- March 4 - Ballots Returned: March 4, 2020
- March 3 - Ballots Returned: March 3, 2020 - PM Update
- March 3 - Ballots Returned: March 3, 2020
- March 3 - Buttigieg Campaign Officially Withdraws from Colorado Presidential Primary
- March 3 - Klobuchar Campaign Officially Withdraws from Colorado Presidential Primary
- March 2 - Ballots Returned: March 2, 2020 - PM Update
- March 2 - Ballots Returned: March 2, 2020
- March 2 - Primary Voters Cannot Cast a Second Ballot if a Candidate Withdraws
- February 28 - Ballots Returned: February 28, 2020
- February 27 - Ballots Returned: February 27, 2020
- February 26 - Ballots Returned: February 26, 2020
- February 26 - Colorado Secretary of State's Office and Colorado Minority Business Office Team Up to Support Minority and Women-Owned Businesses
- February 25 - Ballots Returned: February 25, 2020
- February 24 - Ballots Returned: February 24, 2020
- February 21 - Ballots Returned: February 21, 2020
- February 13 - Presidential Primary Ballots Will Include Candidates Who Have Withdrawn
- February 12 - Colorado Secretary of State Jena Griswold Launches Primary Election Outreach Effort
- February 12 - Colorado Secretary of State Jena Griswold Releases Economic Indicators Report for Fourth Quarter 2019
- February 10 - Presidential Primary Ballots To Be Mailed Out Beginning Today
- February 3 - Deadline is Today for Already Registered Voters To Change Affiliation for the Presidential Primary
- January 22 - Colorado Secretary of State’s Office Conducts 2020 Election Doomsday Training Event
- January 17 - Joint Statement from Colorado Secretary of State Jena Griswold and Colorado Attorney General Phil Weiser on Supreme Court’s Decision to Review Baca vs. Colorado Department of State
- January 16 - Statement From Colorado, Ohio, and West Virginia Chief Elections Officers On Increased Information Sharing From FBI
- January 15 - Colorado Secretary of State Jena Griswold Unveils 2020 Legislative Agenda
- January 13 - Go Code Colorado To Kick Off Its Seventh Year of Competition
- January 6 - “Restoration of Gray Wolves” Initiative Qualifies For 2020 Ballot