As of the census of 2000, there were 117,390 people, 47,964 households, and 29,929 families residing in the CDP. The population density was 1,358.6/km sq (3,519.4/mi sq). There were 52,870 housing units at an average density of 611.9/km sq (1,585.0/mi sq). The racial makeup of the CDP was 72.60% White, 5.29% African American, 0.60% Native American, 11.21% Asian, 0.48% Pacific Islander, 5.14% from Race (United States Census)other races, and 4.67% from two or more races. Hispanic or Latino of any race were 13.77% of the population.

There were 47,964 households out of which 27.0% had children under the age of 18 living with them, 46.7% were Marriagemarried couples living together, 10.5% had a female householder with no husband present, and 37.6% were non-families. 25.9% of all households were made up of individuals and 5.9% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.98.

In the CDP the population was spread out with 21.2% under the age of 18, 9.4% from 18 to 24, 33.7% from 25 to 44, 25.0% from 45 to 64, and 10.7% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 99.6 males. For every 100 females age 18 and over, there were 98.4 males.

The median income for a household in the CDP was $48,563, and the median income for a family was $55,021. Males had a median income of $37,068 versus $28,288 for females. The per capita income for the CDP was $26,321. About 4.8% of families and 6.7% of the population were below the poverty line, including 6.9% of those under age 18 and 7.7% of those age 65 or over.
Source: http://en.wikipedia.org/wiki/Spring_Valley%2C_Nevada