Voter registration deadline is October 3rd. The locations below are available until the close of business hours.

Thornton City Clerk's office, 2nd Floor
Thornton City Hall
9500 Civic Center Drive
Monday - Friday (8 a.m. to 5 p.m.)

Adams County Elections office
4430 South Adams County Parkway
1st Floor, Suite E 3102
Monday - Friday (7 a.m. to 5 p.m.)

North Pecos Motor Vehicle
12200 Pecos Street
Monday - Friday (7 a.m. to 5 p.m.)

Westminster Motor Vehicle
Summit Square Shopping Center
8452 Federal Boulevard
Monday - Friday (7 a.m. to 5 p.m.)

To register to vote you must be 18 years of age by the next election day, a citizen of the United States, and a resident of your present address at least thirty days prior to the election. Citizens who are registering for the first time in Colorado need to include a copy of an acceptable form of identification when mailing their registration application.

You can also register in person at any City Clerk's office in the county where you reside or any Motor Vehicle or Driver's License Bureau. See the list of locations above.