Douglas County, Colorado

Douglas County
County
One of two county buildings for Douglas County in Castle Rock
Flag
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 39°21′N 104°56′W / 39.35°N 104.93°W / 39.35; -104.93
Country	United States
State	Colorado
Founded	November 1, 1861
Named for	Stephen A. Douglas
Seat	Castle Rock
Largest community	Highlands Ranch
Area
• Total	843 sq mi (2,180 km2)
• Land	840 sq mi (2,200 km2)
• Water	2.6 sq mi (7 km2)  0.3%
Population  (2020)[1]
• Total	357,978
• Density	426/sq mi (164/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Website	www.douglas.co.us

Douglas County is a county in the state of Colorado in the United States. As of the 2020 census, 357,978 people lived there.^[1] The county seat is Castle Rock.

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