Denver is the central city of a conurbation region in the U.S. state of Colorado. The conurbation includes one continuous region consisting of the six central counties of Adams, Arapahoe, Broomfield, Denver, Douglas, and Jefferson. The Denver region is part of the Front Range Urban Corridor and its metropolitan planning organization is the Denver Regional Council of Governments.

Denver is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the United States and the fifth most populous state capital. It is the principal city of the Denver–Aurora–Lakewood metropolitan statistical area, the most populous metropolitan statistical area in Colorado and the first city of the Front Range Urban Corridor.