 The population density was 1,274.0 people per square mile (491.5/km2).There were 2,315 housing units at an average density of 561.0 per square mile (216.4/km2).The racial makeup of the city was 98.99% White, 0.10% African American, 0.15% Native American, 0.27% Asian, 0.04% Pacific Islander, 0.06% from other races, and 0.40% from two or more races.