Roxborough Park is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Roxborough Park CDP was 9,416 at the United States Census 2020. The Roxborough Village Metropolitan District and the Roxborough Water and Sanitation District provide services. The Littleton post office serves the area.

Douglas County is a county located in the U.S. state of Colorado. As of the 2020 Census, the population was 357,978. The county is named in honor of U.S. Senator Stephen A. Douglas. The county seat is Castle Rock.