units at an average density of . The racial makeup of the city was 98.8% White, 0.2% African American, 0.7% from other races, and 0.2% from two or more races. Hispanic or Latino of any race were 1.9% of the population. There were 181 households, of which 31.5% had children under the age of 18 living with them, 43.1% were married couples living together, 8.3% had a female householder with no husband present, 10.5% had a male householder with no wife present, and 38.1% were non-families. 31.5% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.93. The median age in the city was 39.9 years. 23.8% of residents were under the age of 18; 5.3% were between the ages of 18 and 24; 27.8% were from 25 to 44; 28.2% were from 45 to 64; and 14.8% were 65 years of age or older. The gender makeup of the city was 51.1% male and 48.9% female. 2000 census As of the census of 2000, there were 588 people, 236 households, and 159 families residing in the city. The population density was . There were 273 housing units at an average density of . The racial makeup of the city was 99.15% White, 0.17% Native American, and 0.68% from two or more races. There were 236 households, out of which 32.2% had children under the age of 18 living with them, 55.1% were married couples living together, 7.6% had a female householder with no husband present, and 32.6% were non-families. 25.8% of all households were made up of individuals, and 10.6% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.99. In the city, the population was spread out, with 25.3% under the age of 18, 6.1% from 18 to 24, 30.1% from 25 to 44, 24.8% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 101.4 males. For every 100 females age 18 and over, there were 109.0 males. The median income for a household in the city was $25,568, and the median income for a family was $29,063. Males had a