Fox Lake is a village in Grant and Antioch townships in Lake County, Illinois and Burton Township, McHenry County, Illinois, United States. The population was 10,579 at the 2010 census.
Fox Lake is located at 42°24′12″N 88°10′58″W / 42.40333°N 88.18278°W / 42.40333; -88.18278 (42.4032677, -88.1828850), 55 miles (89 km) northwest of downtown Chicago and 20 miles (32 km) west of Waukegan, Illinois. The village center is located on the south shore of Pistakee Lake, Nippersink Lake, and Fox Lake, three connected water bodies that form part of the Chain O’Lakes system, flowing southwest via the Fox River to the Illinois River. The village limits extend north in a sinuous manner all the way to the Wisconsin border.
According to the 2010 census, Fox Lake has a total area of 9.942 square miles (25.75 km), of which 8.12 square miles (21.03 km) (or 81.67%) is land and 1.822 square miles (4.72 km) (or 18.33%) is water.
As of the census of 2000, there were 9,178 people, 4,046 households, and 2,330 families residing in the village. The population density was 1,249.1 people per square mile (482.1/km). There were 4,652 housing units at an average density of 633.1 per square mile (244.4/km). The racial makeup of the village was 95.49% White, 0.76% African American, 0.24% Native American, 0.65% Asian, 0.05% Pacific Islander, 1.54% from other races, and 1.26% from two or more races. Hispanic or Latino of any race were 5.80% of the population.
There were 4,046 households out of which 26.1% had children under the age of 18 living with them, 44.4% were married couples living together, 9.0% had a female householder with no husband present, and 42.4% were non-families. 35.4% of all households were made up of individuals and 13.4% had someone living alone who was 65 years of age or older. The average household size was 2.27 and the average family size was 2.98.
In the village, the population was spread out with 22.7% under the age of 18, 8.1% from 18 to 24, 33.1% from 25 to 44, 22.2% from 45 to 64, and 14.0% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 100.8 males. For every 100 females age 18 and over, there were 98.5 males.
The median income for a household in the village is $46,548, and the median income for a family is $58,843. Males have a median income of $42,009 versus $29,063 for females. The per capita income for the village is $24,350. 6.4% of the population and 4.1% of families are below the poverty line. Out of the total population, 7.2% of those under the age of 18 and 9.1% of those 65 and older are living below the poverty line.