The City and County of Denver is the capital and the most populous city of the U.S. state of Colorado. Denver is located in the South Platte River Valley on the High Plains just east of the Front Range of the Southern Rocky Mountains. The Denver downtown district is located immediately east of the confluence of Cherry Creek with the South Platte River, approximately 15 miles (24 kilometers) east of the foothills of the Rocky Mountains. Denver is nicknamed The Mile-High City because its official elevation is exactly one mile (5,280 feet or approximately 1,609 meters) above sea level.
The United States Census Bureau estimates that, in 2006, the population of the City and County of Denver was 566,974, making it the 27th most populous U.S. city. The Denver-Aurora Metropolitan Statistical Area had an estimated 2006 population of 2,408,750 and ranked as the 21st most populous U.S. metropolitan statistical area, and the larger Denver-Aurora-Boulder Combined Statistical Area had an estimated 2006 population of 2,927,911 and ranked as the 17th most populous U.S. metropolitan area. The city claims to have the 10th largest central business district in the United States.
Scott Friedman