Some of the cities, towns, and places in Douglas County are Acres Green, Aurora, Carriage Club, Castle Pines, Castle Pines Village, Castle Rock, Cottonwood, Dakan, Deckers, Franktown, Grand View Estates, Greenland, Heritage Hills, Highlands Ranch, Larkspur, Littleton, Lone Tree, Louviers, Meridian, Meridian Village, Parker, Perry Park, Roxborough Park, Sedalia, Sierra Ridge, Stepping Stone, Stonegate, The Pinery, Westcreek
Douglas County is a county located in the U.S. state of Colorado. As of the 2010 census, the population was 285,465. The county seat is Castle Rock.Douglas County is part of the Denver-Aurora-Lakewood, Colorado, metropolitan statistical area. It is located midway between Colorado's two largest cities, Denver and Colorado Springs, and contains a portion of Aurora, the state's third-largest city. Douglas County has the highest median household income of any Colorado county or statistical equivalent. It is ranked seventh nationally in that category.