sentences:  The population density was 147 people per square mile (57/km²).There were 24,582 housing units at an average density of 62 per square mile (24/km²).The racial makeup of the county was 84.67% White, 11.46% Black or African American, 0.25% Native American, 1.81% Asian, 0.02% Pacific Islander, 1.01% from other races, and 0.79% from two or more races.