 There were 156,720 housing units at an average density of 173 per square mile (67/km²).The racial makeup of the county was 92.76% White, 3.69% African American, 0.18% Native American, 0.86% Asian, 0.03% Pacific Islander, 1.39% from other races, and 1.10% from two or more races.Hispanic or Latino of any race were 2.96% of the population.