 The per capita income for the county was $31,935.About 4.7% of families and 6.0% of the population were below the poverty line, including 7.6% of those under age 18 and 5.2% of those age 65 or over.Warren County has a 3-member Board of County Commissioners that administer and oversee the various County departments, similar to all but 2 of the 88 Ohio counties.