The county of Dallam is located in and was founded in 1891. There are 7,121 residents in Dallam who have access to courthouses in Dalhart, Texline. 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. is part of the 5th federal circuit court as well.
There are 7,930 residents in Dalhart, which is 4.6 square miles and 3,983ft above sea level.
There are 511 residents in Texline, which is 1.0 square miles and 4,692ft above sea level.