 (7.79/km2).There were 4,137 housing units at an average density of 8.58/sqmi (3.31/km2).The racial makeup of the county was 97.27% White, 0.53% Black or African American, 0.43% Native American, 0.62% Asian, 0.02% Pacific Islander, 0.53% from other races, and 0.59% from two or more races.