As of the census of 2000, there were 4,220 people, 1,751 households, and 1,131 families residing in the city. The population density was 1,178.5 people per square mile (455.1/km2). There were 1,831 housing units at an average density of 511.3 per square mile (197.5/km2). The racial makeup of the city was 98.06% White, 0.36% Black or African American, 0.02% Native American, 0.59% Asian, 0.05% Pacific Islander, 0.17% from other races, and 0.76% from two or more races. 0.43% of the population were Hispanic or Latino of any race.