As of the census of 2000, there were 31,615 people, 11,404 households, and 7,595 families residing in the city. The population density was 1,509.5 people per square mile (582.9/km2). There were 12,133 housing units at an average density of 579.3 per square mile (223.7/km2). The racial makeup of the city was 64.99% White, 2.57% African American, 1.76% Native American, 7.22% Asian, 0.58% Pacific Islander, 15.99% from other races, and 6.89% from two or more races. Hispanic or Latino of any race were 29.95% of the population.