As of the census of 2000, there were 20,369 people, 7,881 households, and 5,437 families residing in the city. The population density was 2,133.7 people per square mile (823.5/km2). There were 8,198 housing units at an average density of 858.8 per square mile (331.4/km2). The racial makeup of the city was 92.68% White, 3.10% Black or African American, 0.29% Native American, 1.34% Asian, 0.03% Pacific Islander, 0.98% from other races, and 1.58% from two or more races. 2.72% of the population were Hispanic or Latino of any race.