As of the census of 2000, the county had 227,511 people, 89,700 households, and 62,520 families. The population density was 997 people per square mile (385/km2). There were 93,487 housing units at an average density of 410 per square mile (158/km2). The county's racial makeup was 95.40% White, 1.99% Black or African American, 0.11% Native American, 0.90% Asian, 0.02% Pacific Islander, 0.66% from other races, and 0.92% from two or more races. 1.70% of the population were Hispanic or Latino of any race. 18.5% were of German, 14.6% Italian, 12.7% Irish, 8.1% English, 6.2% Polish, 5.7% American and 5.4% Slovene ancestry according to Census 2000. 93.6% spoke English, 1.9% Spanish, and 0.8% Croatian as their first language.