As of the census of 2000, there were 167,090 people, 67,320 households, and 44,969 families living in the county. The population density was 982 people per square mile (379/km2). There were 70,365 housing units at an average density of 414 per square mile (160/km2). The racial makeup of the county was 95.54% White, 0.93% Black or African American, 0.23% Native American, 1.34% Asian, 0.02% Pacific Islander, 0.65% from other races, and 1.28% from two or more races. 1.69% of the population were Hispanic or Latino of any race. 20.1% were of Italian, 18.9% Irish, 11.1% English, 10.1% French, 6.1% French Canadian and 6.1% Portuguese ancestry, 92.0% spoke English, 1.9% Spanish, 1.5% French, 1.4% Portuguese and 1.1% Italian as their first language.