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. The area is also referred to as Greater Denver.
The United States Office of Management and Budget has delineated the Denver–Aurora–Centennial, CO Metropolitan Statistical Area consisting of ten Colorado counties: the City and County of Denver, Arapahoe County, Jefferson County, Adams County, Douglas County, the City and County of Broomfield, Elbert County, Park County, Clear Creek County, and Gilpin County. The population, as of the 2020 Census, is 2,963,821, an increase of 16.5% since 2010.