 According to the 2010 census , the City and County of Denver contains 600 @,@ 158 people and 285 @,@ 797 households . The population density is 3 @,@ 698 inhabitants per square mile ( 1 @,@ 428 / km ² ) including the airport . There are 285 @,@ 797 housing units at an average density of 1 @,@ 751 per square mile ( 676 / km ² ) . However , the average density throughout most Denver neighborhoods tends to be higher . Without the <unk> zip code ( 47 @.@ 3 sq mi , 8 @,@ 407 residents ) near the airport , the average density increases to around 5 @,@ 470 per square mile . 
