As of the census of 2000, there were 40,314 people, 16,108 households, and 10,051 families residing in the city. The population density was 1,895.9 per square mile (732.1/km). There were 16,767 housing units at an average density of 788.5 per square mile (304.5/km). The racial makeup of the city was 82.80 percent White, 2.42 percent African American, 2.54 percent Native American, 3.50 percent Asian, 0.51 percent Pacific Islander, 3.66 percent from other races, and 4.56 percent from two or more races. Hispanic or Latino people of any race were 7.49 percent of the population.