 The population density was 16.1/sqmi (6.22/km²).There were 4,821 housing units at an average density of 6.50/sqmi (2.51/km²).The racial makeup of the county was 90.67% White, 2.69% Black or African American, 0.50% Native American, 1.43% Asian, 1.52% Pacific Islander, 1.40% from other races, and 1.79% from two or more races.