 The population density was 835.0 people per square mile (322.9/km²).There were 510 housing units at an average density of 363.6 per square mile (140.7/km²).The racial makeup of the city was 98.21% White, 0.09% African American, 0.17% Native American, 0.43% Asian, 0.09% from other races, and 1.02% from two or more races.