sentences:  The population density was 58 people per square mile (22/km²).There were 20,746 housing units at an average density of 40 per square mile (16/km²).The racial makeup of the county was 97.18% White, 1.20% Black or African American, 0.28% Native American, 0.39% Asian, 0.02% Pacific Islander, 0.31% from other races, and 0.63% from two or more races.