 As of the 2010 census , the population of the City and County of Denver was 600 @,@ 158 , making it the 24th most populous U.S. city . The Denver @-@ Aurora @-@ Lakewood , CO Metropolitan Statistical Area had an estimated 2013 population of 2 @,@ 697 @,@ 476 and ranked as the 21st most populous U.S. metropolitan statistical area , and the larger Denver @-@ Aurora @-@ Boulder Combined Statistical Area had an estimated 2013 population of 3 @,@ 277 @,@ 309 and ranked as the 16th most populous U.S. metropolitan area . Denver is the most populous city within a radius centered in the city and of 550 miles ( 885 km ) magnitude . Denverites is a term used for residents of Denver . 
