Parker is a home rule municipality in Douglas County, Colorado, United States. As a self-declared "town" under the Home Rule statutes, Parker is the second most populous town in the county; In recent years, Parker has become a commuter town at the southeasternmost corner of the Denver metropolitan area. As of the 2010 census the town population was 45,297;^[10] the estimated population in 2018 was 55,636.^[7] Parker is now the 19th most populous municipality in the state of Colorado

Castle Rock is an affluent home rule municipality that is the county seat of Douglas County, Colorado, United States. The most populous municipality of the county, the community's population was 48,231 at the 2010 United States Census, with an estimated population of 64,827 as of 2018. 

 Franktown is an unincorporated community and census-designated place in Douglas County, Colorado, in the United States. The population was 395 at the 2010 census. The Franktown Post Office has the ZIP code 80116

 The town of Kiowa is a home rule municipality and the county seat of Elbert County, Colorado, United States.^[7] The town population was 723 at the 2010 United States Census,^[8] up from 581 at the 2000 census.

 Aurora, Colorado is the state's third largest city, and it's known for  its cultural food, artistic exhibits, outdoor recreation, and relaxing  atmosphere. Sailing, golfing, art, fast-pitch softball, and live theater  are examples of common things to do in the city. Its proximity to  Denver has long kept it in the realm of Denver suburb. But that is  changing as it gains more and more recognition as a city worthy of its  own distinction.

 Centennial is a Home Rule Municipality located in Arapahoe County, Colorado, United States.  The city population was 100,377 at the 2010 United States Census.  Centennial is a part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area.  Centennial is the tenth most populous municipality in the state of Colorado and its 2001 city incorporation was the largest in U.S. history. Centennial is ranked as the 15th-safest^[8] city in the country.

 City and County of Denver, is the capital and most populous municipality of the U.S. state of Colorado. Denver is located in the South Platte River Valley on the western edge of the High Plains just east of the Front Range of the Rocky Mountains. With an estimated population of 727,211 in 2019, Denver is the 19th-most populous U.S. city, and with a 21.17% increase since the 2010 United States Census, it has been one of the fastest-growing major cities in the United States.  The metropolitan city is located in the middle of the extensive Southern Rocky Mountain Front with Cheyenne, Wyoming, to the north and Albuquerque, New Mexico, to the south, this rapidly growing region has a population of 5,467,633, according to the 2010 United States Census.

 c3gov.com The City of Commerce City is a Home Rule Municipality located in Adams County, Colorado, United States. Commerce City is a northern suburb of Denver and as of 2013 is the 18th most populous municipality in Colorado. The city population was 45,913 at the 2010 United States Census, a population increase of 118.7% in the ten years since the 2000 census