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Anja Bageera fills out her ballot at the County Clerk and Recorder office in Boulder, Colorado November 2, 2010.
How to vote

Mail-in ballots: They can be dropped off indoors from 7 a.m. to 7 p.m. Tuesday at these locations across the county: Boulder County Clerk and Recorder's Office, 1750 33rd St. in Boulder; east wing of the County Courthouse, 1325 Pearl St. in Boulder; Recreation Center at the University of Colorado; Lafayette Public Library, 775 W. Baseline Road; Longmont branch of the Clerk and Recorder's Office, 529 Coffman St.; Twin Peaks Mall, 1250 South Hover Road in Longmont at the northeast entrance; Louisville branch of the Clerk and Recorder's Office, 722 Main St.; Lyons Town Hall, 432 Fifth Ave.; and Nederland Community Center, 750 North Colo. 72.

Mail-in ballots can also be dropped off at three drive-by locations from 7 a.m. to 7 p.m. Tuesday: Boulder County Clerk and Recorder's Office, 1750 33rd St. in Boulder; Longmont branch of the Clerk and Recorder's Office on Terry Street between Fifth and Sixth avenues; and Steinbaugh Pavilion, 824 Front St. in Louisville.

Replacement ballots: If you've lost or damaged your mail-in ballot, you can get a replacement ballot at the Boulder County Clerk and Recorder's Office at both the Boulder and Longmont branches, the Lafayette Public Library and the Twin Peaks Mall.

Polling places: To vote in person, if you did not request a mail-in ballot, you must visit your assigned polling place. To see where that is, visit voteboulder.org or call 303-413-7740.

Two-thirds of the Boulder County residents expected to vote in Tuesday's election cast their ballots before Election Day, according to numbers from the Clerk and Recorder's Office.

As of Monday evening, the county had received 70,084 mail-in ballots, and 8,185 people voted early at an election center. Clerk and Recorder Hillary Hall is projecting that 119,000 people will vote in all, which equals about 73 percent of the active registered voters in the county.

In 2006, the last gubernatorial election in Colorado, 119,790 Boulder County voters cast their ballots. In 2008 -- a presidential election year -- 172,531 people voted in Boulder County.

The county's ballot processing center in Boulder was buzzing with activity Monday afternoon, and Hall said she expected election workers to be working until around midnight, checking signatures, scanning ballots and resolving "voter intent" on ballots that may have stray marks or where voters may have changed their minds, striking out one box and voting again.

But Hall said that while county workers scan the ballots -- creating a digital image of each one -- they don't actually begin tallying the votes until noon Tuesday. The first round of election results will be posted at 7:01 p.m. on voteboulder.org, and results will be updated about every half-hour for most of the evening.

Hall said she doesn't have a projected time when the county will finish counting the votes, noting that it depends largely on how many people show up to vote Tuesday.

"We'll keep going until we're done," she said. "It depends on what happens on Election Day."

In the August primary, the county tally went smoothly, and all 48,191 ballots that were cast were counted by 1:15 a.m. the next day. In 2008, however, it took about three days to tally all the votes. The problem, officials later learned, was an incompatible device driver that caused the scanning machines to mark specks of dust as votes.

Hall has said the process of finding the glitch has allowed her and her team to become intimately familiar with the machines and the software.

"We really understand how it all works," she said earlier this month. "And it gives us quality assurance. God forbid there is another issue, we can fix it quicker."

Contact Camera Staff Writer Laura Snider at 303-473-1327 or sniderl@dailycamera.com.