Oakwood Hills is a village in McHenry County, Illinois, United States. Oakwood Hills was founded in 1959. The population was 2,194 at the 2000 census. As of 2010, the population dropped to 2,083.
Oakwood Hills is located at 42°14′52″N 88°14′43″W / 42.24778°N 88.24528°W / 42.24778; -88.24528 (42.247658, -88.245176).
According to the 2010 census, Oakwood Hills has a total area of 1.262 square miles (3.27 km), of which 1.18 square miles (3.06 km) (or 93.5%) is land and 0.082 square miles (0.21 km) (or 6.5%) is water.
As of the census of 2000, there were 2,194 people, 719 households, and 598 families residing in the village. The population density was 1,943.9 people per square mile (749.7/km²). There were 736 housing units at an average density of 652.1 per square mile (251.5/km²). The racial makeup of the village was 98.04% White, 0.36% African American, 0.23% Native American, 0.32% Asian, 0.18% from other races, and 0.87% from two or more races. Hispanic or Latino of any race were 3.37% of the population.
There were 719 households out of which 47.8% had children under the age of 18 living with them, 73.2% were married couples living together, 6.8% had a female householder with no husband present, and 16.8% were non-families. 11.8% of all households were made up of individuals and 2.2% 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 3.34.
In the village, the population was spread out with 31.5% under the age of 18, 7.1% from 18 to 24, 35.2% from 25 to 44, 22.3% from 45 to 64, and 3.9% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 102.4 males. For every 100 females age 18 and over, there were 99.9 males.
The median income for a household in the village was $68,182, and the median income for a family was $70,875. Males had a median income of $52,051 versus $30,508 for females. The per capita income for the village was $26,397. About 3.9% of families and 5.0% of the population were below the poverty line, including 4.2% of those under age 18 and 4.3% of those age 65 or over.