 The population density was 145 people per square mile (56/km²).There were 66,301 housing units at an average density of 71 per square mile (27/km²).The county's racial makeup was 95.02% White, 1.99% Black or African American, 0.15% Native American, 0.99% Asian, 0.04% Pacific Islander, 0.59% from other races, and 1.23% from two or more races.