 Population declined in every census after 1920 through 1970, as may be seen in the table in the Demographics section below.African Americans left in the Great Migration to northern and midwestern industrial cities for work before World War II; during and after that war, many others went to the West Coast, where defense industries had more jobs.According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.6%) is water.