 The population density was 74.8/sq mi (28.9/km²).There were 21,971 housing units at an average density of 29.4/sqmi (11.3/km²).The county's racial makeup was 94.96% White, 1.19% Black or African American, 0.28% Native American, 1.79% Asian, 0.06% Pacific Islander, 0.69% from other races, and 1.03% from two or more races.