At the 2000 census there were 18,429 people, 7,888 households, and 4,890 families living in the city. The population density was 3,880.1 people per square mile (1,498.0/km). There were 8,273 housing units at an average density of 1,741.8 per square mile (672.5/km). The racial makeup of the city was 93.89% White, 0.95% African American, 0.81% Native American, 0.84% Asian, 0.03% Pacific Islander, 1.45% from other races, and 2.03% from two or more races. Hispanic or Latino of any race were 4.73%.