As of the census of 2000, there were 17,951 people, 7,307 households, and 4,654 families living in the city. The population density was 2,023.0 people per square mile (781.4/km). There were 7,930 housing units at an average density of 893.7 per square mile (345.2/km). The racial makeup of the city was 95.28% White, 1.58% African American, 0.15% Native American, 1.16% Asian, 0.02% Pacific Islander, 0.90% from other races, and 0.91% from two or more races. Hispanic or Latino of any race were 1.91% of the population.