The county of Musselshell is located in Montana and was founded in 1911. There are 4,582 residents in Musselshell who have access to courthouses in Roundup. 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. Montana is part of the 9th federal circuit court as well.
There are 1,788 residents in Roundup, which is 1.3 square miles and 3,215ft above sea level.