Jefferson County 2021 Election: Deadlines, Voter Registration

JEFFERSON COUNTY, CO — The Nov. 2 election is fast approaching, and ballots are set to be mailed to Jefferson County voters in the week of Oct. 8.

Other important dates and deadlines include:

• Sept. 18: Ballots will be sent to military and overseas voters.
• Oct. 18: If you haven't yet received a ballot by this date, contact the Jefferson County elections team, which can issue you a replacement by mail until Oct. 25.
• Oct. 25: This is the last day to return your ballot by mail to ensure it arrives in time, and first day in-person vote centers are open.
• Nov. 2: Election Day! You can use any drop box up until 7 p.m., or if you need additional services (registering to vote, getting a replacement ballot, etc.), you can use any vote center up until 7 p.m. as well.

Voter Registration

If you’ve changed your name or moved since the last time you received a mail ballot, you need to update your voter registration as soon as possible, and no later than Oct. 25 to receive a mail ballot for this election.

Coloradans who will turn 18 on or before Nov. 2 can pre-register to vote in the election here. They will need a valid driver’s license or Colorado State ID number to register online.

Colorado has same-day voter registration, so even if you put it off until the last minute, you can go to a voter service and polling center with your ID, register and cast a ballot on Election Day.

Ballot Tracking Registration

Jeffco voters who want to track their ballots can sign up ahead of time here to receive alerts by phone, email or text message.

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Jeffco is among three Colorado counties that received a national award in the spring for elections innovation.