As of the census of 2000, there were 13,484 people, 5,604 households, 3,754 families living in the city. The population density was 2,898.2 people per square mile. There were 5,787 housing units at an average density of 1,243.8 per square mile (480.5/km). The racial makeup of the city was 95.37% White, 2.85% African American, 0.04% Native American, 0.79% Asian, 0.01% Pacific Islander, 0.09% from other races, and 0.85% from two or more races. 0.53% of the population were Hispanic or Latino of any race. According to Census 2000 20.2% were of Italian, 13.6% German, 13.4% Irish, 9.4% Polish, 9.0% Slovene and 6.4% English ancestry.