 The per capita income for the county was $23,227.About 10.6% of families and 13.5% of the population were below the poverty line, including 18.9% of those under age 18 and 10.3% of those age 65 or over.According to Census Bureau estimates, the county's population was down to 5,211,263 in 2017, decreased further by 2010 (5,194,675) and had grown slightly by 2017 (5,211,263).