As of the census of 2000, there were 16,411 people, 6,724 households, and 4,168 families residing in the city. The population density was 809.3 people per square mile (312.4/km2). There were 8,554 housing units at an average density of 421.8 per square mile (162.9/km2). The racial makeup of the city was 96.79% White, 0.55% African American, 0.41% Native American, 0.73% Asian, 0.02% Pacific Islander, 0.27% from other races, and 1.22% from two or more races. Hispanic or Latino of any race were 0.99% of the population.