sentences:  The population density was 1,027.2 per square mile (396.4/km²).There were 4,223 housing units at an average density of 400.1 per square mile (154.4/km²).The racial makeup of the city was 85.22% White, 0.49% Black or African American, 4.29% Native American, 0.83% Asian, 0.08% Pacific Islander, 5.67% from other races, and 3.42% from two or more races.