The event's executive producer Jim Horowitz tells The Aspen Times that attendance was estimated at about 6,800 on Friday, 8,500 on Saturday and 6,800 on Sunday for a total of 22,100. The festival drew a total of about 23,000 last year.
Horowitz says final attendance figures for this year could end up being higher than last year.
Performers this year included Sugarland, the Steve Miller Band, Mumford & Sons and Kid Rock.
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