Note: Early Wednesday morning, the AP called the presidential race in Arizona for Joe Biden. ABC News has not called this race, which has led to differing numbers of Electoral College votes for Biden. Denver7 is using ABC News numbers on air.


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Key Colorado Voting Dates and Deadlines

Today: Review your voter record to be sure your information is up-to-date by clicking here.
Sept. 18: Military and overseas voters can begin early voting.
Oct. 9: Counties will begin mailing ballots to registered voters. Drop boxes open in some counties.
Oct. 16: Last date at which mail ballots can be sent out by county clerks.
Oct. 19: Ballot drop boxes, Voter Services and Polling Centers open statewide.
Oct. 26: Deadline to register to vote or update your voter registration and still receive a mail-in ballot.
Oct. 27: Officials say that you should no longer try mailing your ballot back by the Tuesday before the election and should instead use a drop box or go to a polling center.
Nov. 3: Election Day — ballots must be dropped off by 7 p.m. and voters in line at polling centers before 7 p.m. will be able to cast ballots.
Nov. 12: Last day for county clerks to receive military and overseas ballots and last day to cure a signature for voters who need to do so.

Election 2020: A deep dive into the races, measures on Colorado's ballot
Amendment B: Colorado voters to decide whether to repeal the Gallagher Amendment
Amendment B: Colorado voters to decide whether to repeal the Gallagher Amendment (Pt. 2)
Amendment C could bring some of the biggest changes to Colorado bingo raffles in decades
Amendment 76 asks voters to change a single word in the state constitution when it comes to voting
Gaming towns ask for local control to decide the future of gambling in Colorado for themselves with Amendment 77
Colorado voters could decide to raise the tobacco tax for the first time in 16 years with Prop. EE
Colorado's role in the National Popular Vote Compact is on the line for voters to decide in November
Proposition 114: Colorado voters to decide whether to reintroduce and manage gray wolves
Proposition 115: Prohibit Abortions After 22 Weeks
Prop. 116: Colorado voters will decide whether to lower the state income tax, but it's complicated

Click here to view more Election 2020 videos relating to Colorado's General Election.