 The population density was 190/sqmi (73.5/km²).There were 49,422 housing units at an average density of 75.7/sqmi (29.2/km²).The racial makeup of the county was 90.33% White, 2.68% Black or African American, 0.26% Native American, 4.27% Asian, 0.03% Pacific Islander, 0.92% from other races, and 1.51% from two or more races.