sentences:  There were 59,919 housing units at an average density of 150 per square mile (58/km²).The racial makeup of the county was 87.1% White, 8.5% Black or African American, 0.3% Native American, 3.1% Asian, 0.05% Pacific Islander, and 1.14% from two or more races, 9.4% of the population were Hispanic or Latino of any race.There were 55,533 households out of which 31.50% had children under the age of 18 living with them, 55.10% were married couples living together, 10.90% had a female householder with no husband present, and 29.60% were non-families.