As of the census of 2000, there were 6,867 people, 2,794 households, and 1,824 families residing in the city. The population density was 1,554.0 people per square mile (599.9/km2). There were 3,036 housing units at an average density of 687.0 per square mile (265.2/km2). The racial makeup of the city was 90.81% White, 0.15% African American, 5.99% Native American, 0.32% Asian, 0.70% from other races, and 2.04% from two or more races. Hispanic or Latino of any race were 3.48% of the population.