The median income for a household in the county was $32,073, and the median income for a family was $36,999. Males had a median income of $27,346 versus $21,145 for females. The per capita income for the county was $16,830.  About 9.60% of families and 13.70% of the population were below the poverty line, including 26.00% of those under age 18 and 7.70% of those age 65 or over.  According to The Daily Commercial, Sumter Countys unemployment rate as of March 2009 is 13.2 percent.. How many percent of people under 18 were not below the poverty line?