 The population density was 402.1 people per square mile (155.3/km²).There were 2,220 housing units at an average density of 161.9 per square mile (62.5/km²).The racial makeup of the city was 97.23% White, 0.22% African American, 0.45% Native American, 0.38% Asian, 0.11% Pacific Islander, 0.67% from other races, and 0.94% from two or more races.