 There were 20,061 housing units at an average density of 40.4/sqmi (15.6/km²).The racial makeup of the county was 93.59% White, 1.31% Black or African American, 0.43% Native American, 1.46% Asian, 0.04% Pacific Islander, 1.87% from other races, and 1.30% from two or more races.5.50% of the population were Hispanic or Latino of any race.