 The population density includes 1,682.2/km² (4,356.0/sq mi).There were 21,504 housing units at an average density of 1,715.8 per square mile (662.6/km²).The racial makeup of the city was 78.7% White, 17.4% Hispanic or Latino, 1.7% African American, 0.9% Native American, 4.9% Asian, 0.1% Pacific Islander, 9.1% from other races, and 4.5% from two or more races.