Voter & Election Resources

Your election journey starts here!

From voter registration and trusted resources to in-depth analyses of all sides of ballot issues, explore election resources for Jefferson County, the state and more!

Coloradans can register to vote and check their voter status on the Colorado Secretary of State website, opens a new window. Contact Jeffco Elections at 303-271-8111 for election-related questions.

Key Dates 2023 Election

September 23
Military and overseas ballots mailed

October 16
Ballots mailed, 24-hour drop boxes open, opens a new window

October 30
In-person vote centers open,, opens a new window last day to return your ballot by mail

November 7
Election Day

Post-election audit


Jefferson County Voter Information

Jeffco Voting Resources Carousel

Colorado Voter Information

Colorado Voter Information Carousel

Additional Resources


Additional Resources Carousel

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