to 44; 29.4% were from 45 to 64; and 16.3% were 65 years of age or older. The gender makeup of the city was 50.8% male and 49.2% female. 2000 census As of the census of 2000, there were 336 people, 129 households, and 99 families living in the city. The population density was . There were 132 housing units at an average density of . The racial makeup of the city was 99.70% White, 0.30% from other races. Hispanic or Latino of any race were 0.30% of the population. There were 129 households, out of which 34.1% had children under the age of 18 living with them, 65.9% were married couples living together, 6.2% had a female householder with no husband present, and 22.5% were non-families. 18.6% of all households were made up of individuals, and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.96. 26.2% are under the age of 18, 6.5% from 18 to 24, 28.6% from 25 to 44, 25.6% from 45 to 64, and 13.1% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 103.6 males. For every 100 females age 18 and over, there were 105.0 males. The median income for a household in the city was $48,393, and the median income for a family was $48,571. Males had a median income of $32,969 versus $25,000 for females. The per capita income for the city was $17,811. About 5.7% of families and 3.4% of the population were below the poverty line, including 2.0% of those under age 18 and none of those age 65 or over. Education The community is within the North Polk Community School District. Notable people Robert J. Hermann - ninth Director of the National Reconnaissance Office. References External links Sheldahl website Populated places established in 1855 Norwegian-American culture in Iowa Cities in Boone County, Iowa Cities in Polk County, Iowa Cities in Story County, Iowa Cities in Iowa Des Moines metropolitan area 1855 establishments in Iowa