 The population density was 2,052 people per square mile (792/km²).There were 19,881 housing units at an average density of 805 per square mile (311/km²).The racial makeup of the county was 96.81% White, 0.69% Black or African American, 0.16% Native American, 1% Asian, 0.03% Pacific Islander, 0.3% from other races, and 1.01% from two or more races.