 The per capita income for the county was $13,546.About 12.8 percent of families and 16.9% of the population were below the poverty line, including 22.2% of those under age 18 and 13.2% of those age 65 or over.Southard, located in central Blaine County, is the site of one of the purest gypsum deposits in the United States and is home to the U.S. Gypsum Company, the largest industrial plant in the county.