Douglas County
County in Colorado
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.
Douglas County is part of the... Wikipedia
Cities: Castle Rock, Parker, Highlands Ranch, and more
Population: 375,988 (2022)
Founded: November 1, 1861
Largest community: Highlands Ranch
Named for: Stephen A. Douglas
Seat: Castle Rock