Colorado

Colorado offers online voter registration. To register or update your registration, visit the state's voter registration webpage: https://www.sos.state.co.us/voter/pages/pub/olvr/verifyNewVoter.xhtml.

Colorado

Local Election Office Directory

State Election Office Website

State Election Office Phone Number:

303-894-2200

*Last day for an individual to submit a voter registration application and still receive a ballot in the mail before the election. Voters may register through Election Day in Colorado. If you miss the above deadline, you may register in-person at a voter service and polling center in your county through Election Day.

Updated on February 23, 2026.

SLI Compliance was accredited by the EAC on February 28, 2007. Federal law provides that EAC accreditation of a voting system test laboratory cannot be revoked unless the EAC Commissioners vote to revoke the accreditation: “The accreditation of a laboratory for purposes of this section may not be revoked unless the revocation is approved by a vote of the Commission.” 52 U.S. Code § 20971(c)(2). The EAC has never voted to revoke the accreditation of SLI Compliance. SLI Compliance has undergone continuing accreditation assessments and had a new accreditation certificate issued on February 1, 2021.