As of the census of 2010, there were 611 people, 237 households, and 176 families living in the city. The population density was. There were 251 housing units at an average density of. The racial makeup of the city was 99.0% White, 0.2% African American, 0.7% Asian, and 0.2% from two or more races. Hispanic or Latino of any race were 0.7% of the population. There were 237 households, of which 34.2% had children under the age of 18 living with them, 67.1% were married couplesliving together, 3.8% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 25.7% were non-families. 19.4% of all households were made up of individuals, and 4.2% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 2.96. The median age in the city was 37.7 years. 24.4% of residents were under the age of 18; 5.8% were between the ages of 18 and 24; 30.3% were from 25 to 44; 30.3% were from 45 to 64; and 9.3% were 65 years of age or older. The gender makeup of the city was 50.6% male and 49.4% female.
2000 census
As of the census of 2000, there were 538 people, 188 households, and 150 families living in the city. The population density was 202.5 people per square mile. There were 190 housing units at an average density of 71.5 per square mile. The racial makeup of the city was 98.51% White, 1.12% Asian, 0.37% from other races. Hispanic or Latino of any race were 0.56% of the population. There were 188 households, out of which 45.2% had children under the age of 18 living with them, 70.2% were married couples living together, 7.4% had a female householder with no husband present, and 20.2% were non-families. 17.0% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older. The average household size was 2.86 and the average family size was 3.25. In the city, the population was spread out, with 31.6% under the age of 18, 6.3% from 18 to 24, 31.2% from 25 to 44, 24.3% from 45 to 64, and 6.5% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 100.7 males. For every 100 females age 18 and over, there were 91.7 males. The median income for a household in the city was $58,906, and the median income for a family was $66,184. Males had a median income of $40,000 versus $30,461 for females. The per capita income for the city was $23,267. About 1.4% of families and 2.6% of the population were below the poverty line, including 2.9% of those under age 18 and 10.5% of those age 65 or over.
