Are you looking for the skinny on the Mile High City? Find facts and figures for 2011, culled from the City and County of Denver's annual financial report. In 2011, the city's population numbered 619,968 residents, with the metro area at 6.8 million people. For 2011, the city gave out 644,712 parking tickets and loaned out 8.9 million items through the Denver Public Library. As the city's largest employer, Denver Public Schools employed 11,031 employees while educating 81,870 students in 2011.