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Colorado's Election Dates

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Recent and Upcoming Election Dates And Deadlines

This page contains dates and deadlines information on elections occurring in Colorado.

Election dates and deadlines vary by locality. Please be advised that these dates are updated regularly but are subject to scheduling changes at the local level.

Please contact your local election office for more detailed information about the laws concerning election dates,poll hours,poll locations, voter id requirements,absentee voting, voter registration, name or address changes that would apply in your case.

2017 Election Dates & Deadlines

2017 November 7 Coordinated Election -- Date: November 7,2017

Deadlines
September 23, 2017 Absentee Ballot Request deadline - UOCAVA citizens:Deadline to send mail ballots to military and overseas electors. (no later than 45 days before the election)
October 16, 2017 Absentee Ballot Request deadline - By Mail:First day mail ballots may be sent to voters, except for UOCAVA voters.
October 16, 2017 Voter Registration Ends:Last day to submit an application to register to vote through a voter registration drive for the Coordinated Election. (No later than 22 days before the election)
October 20, 2017 Voter Registration deadline - By Mail:Deadline for the county clerk to send mail ballot packets to each active eligible elector for the Coordinated Election
November 7, 2017 Absentee Ballot return deadline :All ballots must be in the hands of the county clerk by 7:00pm on election day in order to be counted.
November 7, 2017 Absentee Ballot return deadline- UOCAVA citizens:Ballots cast by military and overseas voters must be sent no later than 7:00pm on election day and received by the close of business on the 8th day after the election.

2018 Election Dates & Deadlines

2018 June 26 Primary Election -- Date: June 26,2018

Deadlines
May 12, 2018 :Deadline for county clerk to transmit a primary election ballot to military and overseas voters.
May 25, 2018 :Ballots for Primary Election must be printed and in possession of the county clerk.
May 25, 2018 :County clerk must issue mail ballot to any eligibile elector who requests one in person at the county clerk\'s office.
June 4, 2018 :First day that mail ballots may be mailed to voters, except for UOCAVA voters.
June 4, 2018 :Last day to submit an application to register to vote through a voter registration drive.
June 6, 2018 :Last day to post polling place signs for the Primary Election.
June 8, 2018 :Last day to send out initial mail ballots for the Primary Election.
June 26, 2018 :All ballots must be received by the county clerk by 7:00 p.m.
July 5, 2018 :Last day for ballots cast by military and overseas electors to be received by the county clerk in order to be counted.

2018 November 6 General Election -- Date: November 6,2018

Deadlines
October 5, 2018 :Last day for official ballots to be printed and in the possession of the county clerk.
October 5, 2018 :County clerk must issue mail ballot to any eligibile elector who requests one in person at the county clerk\'s office.
October 15, 2018 :Last day to submit an application to register to vote through a voter registration drive.
October 15, 2018 :First day that mail ballots may be mailed to voters, except for UOCAVA voters.
October 17, 2018 :Last day to post polling location signs for the General Election.
October 19, 2018 :Last day to send initial mail ballots to voters for the General Election, except for UOCAVA voters.
November 6, 2018 :All ballots must be received by the county clerk by 7:00 p.m.
November 14, 2018 :Last day for ballots cast by military and overseas electors to be received by the county clerk in order to be counted.

2020 Election Dates & Deadlines

2020 November 3 General Election -- Date: November 3,2020

Deadlines

Good To Know

Note

Laws, rules, and procedures in State and local elections may differ depending on the type of election.

General Elections

General elections have the most offices and issues on the ballot and usually generate more interest and higher turnout than any other elections. Most offices on the general election ballot are partisan.

Primary and Caucus

Primary elections are one means by which a political party nominates candidates for the next general election. The main difference between a caucus and a primary is that a caucus involves face-to-face interaction between voters, where voters can try to persuade one another to vote for (or against) a certain candidate.

Municipal Elections

In municipal elections, registered voters elect members of their local government, such as mayors, council people, township supervisors and district judges.

School Elections

School elections are held to elect school board members and community college directors

Special Elections

A special election is held when someone who is already in office can no longer serve and must be replaced. All registered voters in the district can vote in a special election.

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