At the 2000 United States Census there were 21,131 people, 7,897 households and 5,606 families residing in the city. The population density was 3,490.7 per square mile (1,348.5/km2). There were 8,146 housing units at an average density of 1,345.7 per square mile (519.9/km2). The racial makeup of the city was 87.77% White, 4.33% African American, 0.09% Native American, 4.45% Asian, 0.01% Pacific Islander, 1.70% from other races, and 1.65% from two or more races. Hispanic or Latino of any race were 10.17% of the population.