As of the census of 2000, there were 19,243 people, 7,980 households, and 4,213 families residing in the city. The population density was 1,546.2 people per square mile (596.8/km). There were 8,855 housing units at an average density of 711.5 per square mile (274.6/km). The people are 89.73% White, 3.11% Black/African American, 1.08% Native American, 1.94% Asian, 0.17% Pacific Islander, 1.90% from other races, and 2.08% from two or more races. Hispanic or Latino of any race were 3.75% of the population.