As of the census of 2000, there were 452,869 people, 176,444 households, and 117,688 families residing in the county. The population density was 453 people per square mile (175/km2). There were 191,133 housing units at an average density of 191 per square mile (74/km2). The racial makeup of the county was 79.38% White, 9.13% Black or African American, 1.11% Native American, 3.34% Asian, 0.06% Pacific Islander, 4.17% from other races, and 2.81% from two or more races. 8.04% of the population were Hispanic or Latino of any race.