As of the census of 2000, there were 121,065 people, 45,172 households, and 29,678 families living in the county. The population density was 196 people per square mile (76/km2). There were 47,468 housing units at an average density of 77 per square mile (30/km2). The racial makeup of the county was 94.83% White, 1.27% Black or African American, 0.23% Native American, 1.03% Asian, 0.01% Pacific Islander, 1.45% from other races, and 1.18% from two or more races. 3.33% of the population were Hispanic or Latino of any race. 36.3% were of German, 9.9% American, 8.2% English, 8.0% Irish and 5.8% Polish ancestry according to Census 2000.