As of the census of 2000, there were 79,551 people, 31,727 households, and 21,764 families residing in the county. The population density was 312 people per square mile (121/km2). There were 35,909 housing units at an average density of 141 per square mile (54/km2). The racial makeup of the county was 88.64% White, 8.64% Black or African American, 0.21% Native American, 0.37% Asian, 0.01% Pacific Islander, 0.53% from other races, and 1.60% from two or more races. 2.09% of the population were Hispanic or Latino of any race. 35.7% were of German, 9.2% Irish, 8.2% English, 8.1% Italian, and 7.8% American ancestry according to Census 2000.