As of the 2010 Denver 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.
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/km²) including the airport. There are 285,797 housing units at an average density of 1,751 per square mile (676/km²). However, the average density throughout most Denver neighborhoods tends to be higher. Without the 80249 zip code (47.3 sq mi, 8,407 residents) near the airport, the average density increases to around 5,470 per square mile.