 The population density was 615/sqmi (238/km²).There were 178,913 housing units at an average density of 247/sqmi (95/km²).The racial makeup of the county was 82.19% White, 1.15% Black or African American, 0.65% Native American, 6.68% Asian, 0.30% Pacific Islander, 5.86% from other races, and 3.17% from two or more races.