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Castle Rock

Castle Rock is a home rule town that is the county seat and the most populous municipality of Douglas County, Colorado, United States. The town population was 73,158 at the 2020 United States Census, a 51.68% increase since the 2010 United States Census.

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Homes for sale in Castle Rock, Colorado

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Castle Rock is a home rule town that is the county seat and the most populous municipality of Douglas County, Colorado, United States. The town population was 73,158 at the 2020 United States Census, a 51.68% increase since the 2010 United States Census. Castle Rock is the most populous Colorado town (rather than city) and the 16th most populous Colorado municipality. Castle Rock is a part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.

The town is named for the prominent, castle-shaped butte near the center of town.

– Updated 2022

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