 The population density was 982 people per square mile (379/km²).There were 70,365 housing units at an average density of 414 per square mile (160/km²).The racial makeup of the county was 95.54% White, 0.93% Black or African American, 0.23% Native American, 1.34% Asian, 0.02% Pacific Islander, 0.65% from other races, and 1.28% from two or more races.