[4] The terrain of Jackson County consists of mountains rising from rolling hills.

The White River flows eastward, cutting a meandering channel through the central part.

[5] The terrain generally slopes to the NE; its highest point is a ridge near the SW corner, at 3,274 ft (998 m) ASL.

[7] About 57 percent of its land, the portion south of White River, is on the Pine Ridge Indian Reservation.

[8] Source:[5] As of the 2020 census, there were 2,806 people, 887 households, and 637 families residing in the county.

Source:[5] Jackson County voters have been reliably Republican for decades.