2000 census As of the census of 2000, there were 247,842 people, 90,043 households, and 65,821 families residing in the county. The population density was . There were 92,818 housing units at an average density of . The racial makeup of the county was 74.33% White, 14.42% Black, 0.24% Native American, 7.68% Asian, 0.04% Pacific Islander, 1.11% from other races, and 2.19% from two or more races. 3.02% of the population were Hispanic or Latino of any race. 15.1% were of German, 11.0% Irish, 9.3% English, 6.6% Italian and 5.7% American ancestry.
2000 census As of the census of 2000, there were 247,842 people, 90,043 households, and 65,821 families residing in the county. The population density was . There were 92,818 housing units at an average density of . The racial makeup of the county was 74.33% White, 14.42% Black, 0.24% Native American, 768% Asian, 0.04% Pacific Islander, 1.11% from other races, and 2.19% from two or more races. 3.02% of the population were Hispanic or Latino of any race. 15.1% were of German, 11.0% Irish, 9.3% English, 6.6% Italian and 5.7% American ancestry.