 The population density was 2,509.2 people per square mile (849.4/km²).There were 19,804 housing units at an average density of 2,509.2 per square mile (278.3/km²).The racial makeup of the city was 78.24% White, 9.48% African American, 0.49% Native American, 3.93% Asian, 0.20% Pacific Islander, 7.75% from other races, and 1.78% from two or more races.