The broken terrain is surfaced by sandy, chocolate, and red soils. Croton and Duck creeks drain the county. The flat northwest part of Dickens County is above the Caprock on the Llano Estacado, qqv and the rest, with rolling terrain, is below. The altitude over the county's 931 square miles varies from 2,000 to 3,000 feet. Trees include mesquite, hackberry, and cottonwood.
Grasses are blue grama, sideoats, grama, white tidena, vine mesquite, and Indian grass.
The average annual rainfall is 20.24 inches. The growing season is 217 days. The county has no manufacturing and only a modest amount of oil. The Wanderers Who Make Bad Camps Band of the Comanches dominated the region before white settlement. The Comanches became fine horse-mounted warriors and hunters after they adapted their culture to the utilization of Spanish horses in the seventeenth century.