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Thornton Connected: Election Information


Election and Ballot Drop-off Information

Mail Ballots must be returned by 7:00 p.m. November 5, 2013 to either the Adams County Election Office, 4430 S. Adams County Parkway, 1st Floor, Suite E 3102; Thornton City Clerk’s Office, 9500 Civic Center Drive; or other ballot drop-off locations listed in the instructions included with your ballot.  Ballot drop-off locations are also on the County’s website at Weather permitting, on Election Day the City Clerk’s Office will have an outside drop-off location in front of City Hall.  To learn more about the ballot issue, questions, and candidates, visit our Election & Voter Registration webpage via the link below.

 Election Information

Regular Municipal Elections are held on the first Tuesday in November in odd-numbered years. Citizens will elect one Councilmember from each of the four Wards. A Mayor is elected every four years (2015 and 2019). The City Clerk’s office is responsible for conducting the Municipal Elections, as well as assisting Adams County with registering citizens to vote.

General Elections, where United States senators, representatives to congress, state and district officers, county commissioners and other county officers are elected, are held on the first Tuesday in November of even-numbered years.

Voter Registration

If you are an active registered elector, you should receive a ballot in the mail in mid-October. If you do not receive a ballot and believe you are registered, please contact the Adams County Election Office at 720-523-6500.     

If you are not already registered to vote, you may do so by:  

  • Submitting a paper application by mail to the Adams County Election Office, through a voter registration drive, or  when applying for or updating a driver’s license at State Driver License Offices no later than Tuesday, October 15, or
  • Using the online voter registration system at through October 28, or
  • Going to a Vote Center (Centers) or the Adams County Elections Office October 28 through and including Election Day, excluding Sunday. The Centers will also be listed on the County’s website.  

If you have a question about voter registration, please contact the City Clerk’s office at 303-538-7230.

Candidate Requirements for Municipal Election

The Mayor and City Councilmembers are elected for four-year terms in Regular Municipal Elections, with one Councilmember elected from each ward every two years and the Mayor elected every four years. Regular Municipal Elections are held on the first Tuesday in November in odd-numbered years. The terms of Councilmembers and the Mayor begin on the first Council meeting following their election and continue for a term of four years. The Mayor presides over Council meetings and is the recognized head of the city government for all ceremonial purposes. The Council chooses by majority vote one of its members to be Mayor pro tem. The Mayor pro tem, in the absence of the Mayor, will perform the duties of the Mayor.

An individual is eligible to be a candidate for Thornton City Council if, at the time of election, he or she is a citizen of the United States; is at least 25 years of age; is a registered voter; is a resident of Thornton for one year immediately preceding the election; has not been convicted of a felony; and does not hold another elected position in government. A candidate for Council must reside in the appropriate ward for twelve consecutive months immediately preceding the election.

City of Thornton
9500 Civic Center Drive, Thornton, CO 80229
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