 The population density was 2,389.8 people per square mile (922.3/km).There were 4,473 housing units at an average density of 775.5 per square mile (299.3/km).The racial makeup of the city was 87.88% White, 2.44% African American, 1.02% Native American, 3.12% Asian, 0.22% Pacific Islander, 1.80% from other races, and 3.53% from two or more races.