The county of Douglas is located in Colorado and was founded in 1861. There are 322,387 residents in Douglas who have access to courthouses in Castle Rock, Lone Tree, Parker. In general, each county has a full set of courts, from traffic court to superior and appellate court; supreme courts are usually located in the state capital. Colorado is part of the 10th federal circuit court as well.
There are 48,231 residents in Castle Rock, which is 34.1 square miles and 6,224ft above sea level. It was settled in 1874 and is governed by a Home Rule Municipality local government.
There are 45,297 residents in Parker, which is 21.3 square miles and 5,869ft above sea level.