<unk> <unk> <unk> <unk> <unk>  Passage: The median income for a household in the county was $30,307, and the median income for a family was $36,749. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Per capita income for the county was $14,072. 13.60% of families and 17.20% of the population were below the poverty line, including 22.30% of those under age 18 and 21.70% of those age 65 or over.  Question: Which group had the largest percentage of people below the poverty line?
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