 The population density was 17.8/sqmi (6.88/km²).There were 4,074 housing units at an average density of 7.22/sqmi (2.79/km²).The racial makeup of the county was 96.13% White, 0.92% Black or African American, 0.70% Native American, 0.86% Asian, 0.02% Pacific Islander, 0.38% from other races, and 1.00% from two or more races.