As of the census of 2000, there were 6,540 people, 2,589 households, and 1,491 families living in the city. The population density was 1,529.4 people per square mile (590.0/km2). There were 2,706 housing units at an average density of 632.8 per square mile (244.1/km2). The racial makeup of the city was 97.16% White, 0.24% African American, 0.81% Native American, 0.76% Asian, 0.02% Pacific Islander, 0.40% from other races, and 0.61% from two or more races. Hispanic or Latino of any race were 0.92% of the population.