sentences:  There were 49,289 housing units at an average density of 123 per square mile (48/km²).The racial makeup of the county was 78.05% White, 13.79% Black or African American, 0.39% Native American, 4.10% Asian, 0.02% Pacific Islander, 1.96% from other races, and 1.71% from two or more races.4.46% of the population were Hispanic or Latino of any race.