As of the census of 2000, there were 85,778 people, 34,686 households, and 24,696 families residing in the county. The population density was 342 people per square mile (132/km2). There were 36,121 housing units at an average density of 144 per square mile (56/km2). The racial makeup of the county was 93.63% White, 3.35% Black or African American, 0.12% Native American, 1.61% Asian, 0.02% Pacific Islander, 0.39% from other races, and 0.89% from two or more races. 1.04% of the population were Hispanic or Latino of any race.