The county of Cavalier is located in North Dakota and was founded in 1884. There are 3,827 residents in Cavalier who have access to courthouses in Langdon. 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. North Dakota is part of the 8th federal circuit court as well.
There are 1,878 residents in Langdon, which is 1.7 square miles and 1,611ft above sea level.