As of the census of 2000, there were 39,059 people, 15,985 households, and 10,566 families residing in the city. The population density was 1,505.3 people per square mile (581.1/km). There were 17,162 housing units at an average density of 661.4 per square mile (255.3/km). The racial makeup of the city was 91.32% White, 2.71% Black or African American, 0.13% Native American, 3.23% Asian, 0.05% Pacific Islander, 1.39% from other races, and 1.19% from two or more races. 2.81% of the population were Hispanic or Latino of any race.