Green Oaks is a village in Libertyville Township, Lake County, Illinois, United States.

[5] At the 2000 census,[10] there were 3,572 people, 1,079 households and 977 families living in the village.

There were 1,109 housing units at an average density of 276.9 per square mile (106.9/km2).

7.6% of all households were made up of individuals, and 2.2% had someone living alone who was 65 years of age or older.

According to the 2019 American Community Survey from the United States Census Bureau, the median household income was $165,625, and the median family income was $184,000.