The United States Office of Management and Budget has defined the Denver-Aurora, CO Combined Statistical Area comprising the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, and the Greeley, CO Metropolitan Statistical Area. The United States Census Bureau estimates that the population was 3,214,218 as of July 1, 2012, an increase of +3.99% since the 2010 United States Census, and ranking as the 16th most populous metropolitan combined statistical area and the 17th most populous primary statistical area of the United States.
The Denver-Aurora CSA comprises the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area, the Boulder, CO Metropolitan Statistical Area, and the Greeley, CO Metropolitan Statistical Area. The table below includes the following information:
The Denver-Aurora CSA includes the Town of Alma, the City of Arvada, the Town of Ault, the City of Aurora, the Town of Bennett, the portion of the Town of Berthoud in Weld County, the City of Black Hawk, the City of Boulder, the Town of Bow Mar, the City of Brighton, the City and County of Broomfield, the City of Castle Pines North, the Town of Castle Rock, the City of Centennial, Central City, the City of Cherry Hills Village, the Town of Columbine Valley, the City of Commerce City, the City of Dacono, the Town of Deer Trail, the City and County of Denver, the Town of Eaton, the City of Edgewater, the Town of Elizabeth, the Town of Empire, the City of Englewood, the Town of Erie, the City of Evans, the Town of Fairplay, the City of Federal Heights, the Town of Firestone, the City of Fort Lupton, the Town of Foxfield, the Town of Frederick, the Town of Garden City, the Town of Georgetown, the Town of Gilcrest, the City of Glendale, the City of Golden, the City of Greeley, the City of Greenwood Village, the Town of Grover, the Town of Hudson, the City of Idaho Springs, the Town of Jamestown, the portion of the Town of Johnstown in Weld County, the Town of Keenesburg, the Town of Kersey, the Town of Kiowa, the Town of La Salle, the City of Lafayette, the Town of Lakeside, the City of Lakewood, the Town of Larkspur, the City of Littleton, the Town of Lochbuie, the City of Lone Tree, the City of Longmont, the City of Louisville, the Town of Lyons, the Town of Mead, the Town of Milliken, the Town of Morrison, the Town of Mountain View, the Town of Nederland, the City of Northglenn, the Town of Nunn, the Town of Parker, the Town of Pierce, the Town of Platteville, the Town of Raymer, the Town of Severance, the City of Sheridan, the Town of Silver Plume, the Town of Simla, the Town of Superior, the City of Thornton, the Town of Ward, the Town of Watkins, the City of Westminster, the City of Wheat Ridge, the portion of the Town of Windsor in Weld County, unincorporated Adams County, unincorporated Arapahoe County, unincorporated Boulder County, unincorporated Clear Creek County, unincorporated Douglas County, unincorporated Elbert County, unincorporated Gilpin County, unincorporated Jefferson County, unincorporated Park County, and unincorporated Weld County, all in the State of Colorado.