Colorado Springs is a city in and the county seat of El Paso County, Colorado, United States. It is the most populous city in El Paso County, with a population of 478,961 at the 2020 census, a 15.02% increase since 2010. Colorado Springs is the second-most populous city and the most extensive city in the state of Colorado, and the 39th-most-populous city in the United States. It is the principal city of the Colorado Springs metropolitan area, which had 755,105 residents in 2020, and the second-most prominent city of the Front Range Urban Corridor. It is located in east-central Colorado on Fountain Creek, 70 miles (113 km) south of Denver.
In early December 1955, the phone rang at an air base in Colorado Springs. The officers on the watch floor of the Continental Air..