As of the census of 2000, there were 55,874 people, 22,045 households, and 14,473 families residing in the city. The population density was 1,200.1 people per square mile (463.7/km2). There were 22,908 housing units at an average density of 491.5 per square mile (189.8/km2). The racial makeup of the city was 83.67% (79.7% Non-Hispanic) White, 4.84% African American, 0.26% Native American, 1.0% Asian, 0.03% Pacific Islander, 5.59% from other races, and 2.21% from two or more races. Persons of Hispanic or Latino ethnicity constituted 6.73% of the population.