Bluffdale is a city in Salt Lake County, Utah, USA. The population was 4,700 according to the 2000 census. The city was incorporated during the 1970s and has seen modest but accelerating growth since. Bluffdale shares city borders with Herriman to the northwest, Riverton to the north, and Draper to the east.
As of the census of 2000, there were 4,700 people, 1,112 households, and 1,028 families residing in the city. The population density was 286.0 people per square mile (110.4/km²). There were 1,141 housing units at an average density of 69.4 per square mile (26.8/km²). The racial makeup of the city was 96.96% White, 0.23% African American, 0.28% Native American, 0.23% Asian, 0.26% Pacific Islander, 1.19% from other races, and 0.85% from two or more races. Hispanic or Latino of any race were 3.34% of the population.
There were 1,112 households out of which 61.0% had children under the age of 18 living with them, 86.1% were married couples living together, 3.9% had a female householder with no husband present, and 7.5% were non-families. 5.5% of all households were made up of individuals and 2.5% had someone living alone who was 65 years of age or older. The average household size was 4.23 and the average family size was 4.39.
In the city the population was spread out with 41.3% under the age of 18, 10.1% from 18 to 24, 27.8% from 25 to 44, 16.2% from 45 to 64, and 4.6% who were 65 years of age or older. The median age was 23 years. For every 100 females there were 101.6 males. For every 100 females age 18 and over, there were 102.7 males.
The median income for a household in the city was $66,615, and the median income for a family was $66,910. Males had a median income of $50,136 versus $23,469 for females. The per capita income for the city was $17,813. None of the families and 0.2% of the population were living below the poverty line, including no under eighteens and none of those over 64.