At the 2000 census there were 142,651 people, 49,922 households, and 37,691 families living in the county. The population density was 130 people per square mile (50/km2). There were 54,717 housing units at an average density of 50 per square mile (19/km2). The racial makeup of the county was 68.00% White, 26.63% Black or African American, 0.52% Native American, 1.87% Asian, 0.08% Pacific Islander, 1.20% from other races, and 1.70% from two or more races. 2.76% of the population were Hispanic or Latino of any race. 16.4% were of American, 10.0% German, 8.4% Irish and 7.7% English ancestry according to Census 2000.