Lake Barrington is a village in Lake County, Illinois, United States. The population was 4,973 at the 2010 census.GeographyLake Barrington is located at . The village is also situated on the shores of Lake Barrington, which was previously called Indian Lake, located at.According to the 2010 census, Lake Barrington has a total area of 6.167sqmi, of which 5.86sqmi is land and 0.307sqmi is water.DemographicsAs of the census of 2000, there were 4,757 people, 2,039 households, and 1,455 families residing in the village of Lake Barrington. The population density was 891.6 people per square mile (343.9/km²). There were 2,116 housing units at an average density of 396.6 per square mile (153.0/km²). The racial makeup of the village was 97.41% White, 0.42% African American, 0.19% Native American, 1.07% Asian, 0.06% Pacific Islander, 0.15% from other races, and 0.69% from two or more races. Hispanic or Latino of any race were 0.99% of the population.Of the 2,039 households, 23.7% had children under the age of 18 living with them, 65.8% were married couples living together, 3.9% had a female householder with no husband present, and 28.6% were non-families. 25.6% of all households were made up of individuals and 9.3% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.80.
