2000 Census
As of the census of 2000, there were 859 people, 282 households, and 232 families residing in the city. The population density was 1,324.3 people per square mile (510.2/km²). There were 289 housing units at an average density of 445.6 per square mile (171.7/km²). The racial makeup of the city was 98.14% White, 1.05% Native American, 0.23% Asian, and 0.58% from two or more races.
There were 282 households out of which 54.3% had children under the age of 18 living with them, 70.6% were married couples living together, 8.9% had a female householder with no husband present, and 17.7% were non-families. 13.1% of all households were made up of individuals and 3.9% had someone living alone who was 65 years of age or older. The average household size was 3.05 and the average family size was 3.38.
In the city the population was spread out with 34.3% under the age of 18, 9.2% from 18 to 24, 34.2% from 25 to 44, 19.0% from 45 to 64, and 3.3% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 100.2 males. For every 100 females age 18 and over, there were 98.6 males.
As of 2000 the median income for a household in the city was $54,583, and the median income for a family was $56,528. Males had a median income of $31,065 versus $25,064 for females. The per capita income for the city was $17,512. About 0.8% of families and 1.7% of the population were below the poverty line, including 1.0% of those under age 18 and 4.3% of those age 65 or over.
Read more about this topic: Crooks, South Dakota, Demographics