2020 census
As of the 2020 census, Grayson Valley had a population of 5,982. The median age was 35.0 years. 25.1% of residents were under the age of 18 and 12.8% of residents were 65 years of age or older. For every 100 females there were 84.6 males, and for every 100 females age 18 and over there were 79.2 males age 18 and over.[7][8]
100.0% of residents lived in urban areas, while 0.0% lived in rural areas.[9]
There were 2,362 households and 1,718 families residing in the CDP, of which 34.7% had children under the age of 18 living in them. Of all households, 36.4% were married-couple households, 18.2% were households with a male householder and no spouse or partner present, and 39.5% were households with a female householder and no spouse or partner present. About 29.3% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older.[7]
There were 2,517 housing units, of which 6.2% were vacant. The homeowner vacancy rate was 1.3% and the rental vacancy rate was 10.4%.[7]
