Major county is located in northwestern Oklahoma with Fairview serving as the county seat.
The only major waterway in the county is the Cimarron River which flows in a southeasterly direction and forms the western part of the northern county line with Woods County.
Area attractions include the Glass Mountains which are known for their glittering appearance as a result of exposed selenite crystals and Glass Mountains State Park.
The lone site in the county listed in the National Register of Historic Places is the Major County Courthouse in Fairview.
The county population on July 1, 1999, was 7,659, a decrease of 396 over the 1990 census.