Rome2Rio uses cookies to help personalize content and show you personalised ads. By proceeding, you accept the use of cookies in accordance with our privacy policy. You may opt out of personalised ads at any time. OK

About Castle Rock

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. It is named for the prominent, castle tower-shaped butte near the center of town. Located midway between Denver and Colorado Springs, Castle Rock is part of the Denver metropolitan area and the Front Range Urban Corridor.

Get the Rome2Rio app

Find the best way to get from A to B, anywhere in the world, on your mobile or tablet.

Compare your options: plane, train, bus, car, ferry, bike share, driving and walking directions all in one search.

Learn more about our apps