 There were 37,163 housing units at an average density of 35 per square mile (13/km²).The racial makeup of the county was 97.39% White, 1.59% Black or African American, 0.08% Native American, 0.21% Asian, 0.01% Pacific Islander, 0.31% from other races, and 0.40% from two or more races.0.66% of the population were Hispanic or Latino of any race.