Vernon Valley is an unincorporated community and census-designated place (CDP) located in Vernon Township, in Sussex County, in the U.S. state of New Jersey. As of the 2020 census, Vernon Valley had a population of 1,491.
Geography
According to the United States Census Bureau, the CDP had a total area of , including of land and of water (1.04%). 1960 1970<br> 1980 1990 2000<br> 2010
Vernon Valley first appeared as a census designated place in the 1980 U.S. census.
Of the 545 households, 38.7% had children under the age of 18; 73.6% were married couples living together; 8.8% had a female householder with no husband present and 13.4% were non-families. Of all households, 10.8% were made up of individuals and 4.2% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.22.
There were 544 households, out of which 50.4% had children under the age of 18 living with them, 79.8% were married couples living together, 5.1% had a female householder with no husband present, and 12.9% were non-families. 9.9% of all households were made up of individuals, and 2.8% had someone living alone who was 65 years of age or older. The average household size was 3.19 and the average family size was 3.45.