 The population density was 444.7 people per square mile (171.6/km²).There were 3,170 housing units at an average density of 367.5 per square mile (141.8/km²).The racial makeup of the city was 92.44% White, 0.60% African American, 2.19% Native American, 1.23% Asian, 0.10% Pacific Islander, 0.81% from other races, and 2.63% from two or more races.