Miller County's above-average poverty rate indicates a high Medicaid eligibility rate. As of 2012, 32.4% of Miller County was eligible for Medicaid, with 61.7% of children under 19 eligible for ARKids First, a program by the Arkansas Department of Human Services that combines children's Medicaid (ARKids A) and other programs for families with higher incomes (ARKids B). The county's population is significantly above healthy weight, with 54.0% of adults and 38.0% of children/adolescents ranking as overweight or obese, compared to the state averages of 67.1% and 39.3%, respectively. These rates are significantly above national averages of 62.9% and 30.3%, respectively.