Map 2. Disability rate among males in America by county. This map of the United States depicts disability rates among males by county. Disability tend to be more predominant in the Appalachia region, especially along the borders of Kentucky, West Virginia, and Virginia. There are also some concentrated pockets of higher rates in southern Missouri, western Oklahoma, Arkansas, parts of New Mexico, southern Nevada, and Puerto Rico. Disability rates among males are lowest in southern California, regions of the Rocky Mountains and Great Plains.