Sun Valley is a census-designated place (CDP) in Washoe County , Nevada , USA. The population was 19,299 at the 2010 census .  It is north of Reno and is part of the Reno– Sparks Metropolitan Statistical Area .
Sun Valley is located at (39.596390, -119.774345).
As of the census of 2000, there were 19,461 people, 6,380 households , and 4,816 families residing in the CDP. The population density was 1,297.2 inhabitants per square mile (500.9/km²). There were 6,703 housing units at an average density of 446.8 per square mile (172.5/km²). The racial makeup of the CDP was 79.78% White , 2.20% African American , 1.93% Native American , 2.21% Asian , 0.62% Pacific Islander , 9.51% from other races , and 3.74% from two or more races. Hispanic or Latino of any race were 21.13% of the population.
There were 6,380 households out of which 40.7% had children under the age of 18 living with them, 54.3% were married couples living together, 13.7% had a female householder with no husband present, and 24.5% were non-families. 15.6% of all households were made up of individuals and 4.4% 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 3.39.
In the CDP, the population was spread out with 30.8% under the age of 18, 8.5% from 18 to 24, 32.5% from 25 to 44, 20.8% from 45 to 64, and 7.5% who were 65 years of age or older. The median age was 32 years. For every 100 females there were 102.1 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the CDP was $41,346, and the median income for a family was $43,103. Males had a median income of $30,804 versus $24,059 for females. The per capita income for the CDP was $15,171. 10.5% of the population and 6.8% of families were below the poverty line . 13.1% of those under the age of 18 and 5.2% are 65 or older.