Barrington is a suburban village in Cook County and Lake County, Illinois, United States. The population was 10,327 at the 2010 census. Located approximately 32 miles (51 km) northwest of Chicago, the area features wetlands, forest preserves, parks, and horse trails in a country-suburban setting.
According to the 2010 census, Barrington has a total area of 4.808 square miles (12.45 km), of which 4.62 square miles (11.97 km) (or 96.09%) is land and 0.188 square miles (0.49 km) (or 3.91%) is water. Barrington is approximately bordered by Hart Road to the west, Illinois Route 68 (Dundee Road) to the south, Ela Road to the east and Providence Road and Taylor Road to the north. The village is located approximately 830 feet (250 m) above sea level.
Barrington is 30 miles (48 km) northwest of Chicago.
As of the census of 2000, there were 10,168 people, 3,767 households, and 2,798 families residing in the village. The population density was 2,211.7 people per square mile (853.5/km²). Of 860 Midwestern cities with populations of 10,000 inhabitants or more, Barrington ranked 849th. There were 3,903 housing units at an average density of 849.0 per square mile (327.6/km²). The racial makeup of the village was 96.16% White, 0.62% African American, 0.13% Native American, 2.00% Asian, 0.01% Pacific Islander, 0.31% from other races, and 0.77% from two or more races. Hispanic or Latino of any race were 2.33% of the population.
Of the 3,768 households, 39.6% had children under the age of 18 living with them, 64.0% were married couples living together, 8.0% had a female householder with no husband present, and 25.7% were non-families. 22.2% of all households were made up of individuals and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.70 and the average family size was 3.20.
In the village, the population was spread out with 29.9% under the age of 18, 4.3% from 18 to 24, 28.0% from 25 to 44, 25.1% from 45 to 64, and 12.7% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 90.4 males. For every 100 females age 18 and over, there were 86.7 males.
In 2015, the median income for a household in the village was $119,423, and the median income for a family was $142,718. Males had a median income of $80,232 versus $38,795 for females. The per capita income for the village was $60,034. About 2.3% of families and 3.1% of the population were below the poverty line, including 3.7% of those under age 18 and 3.8% of those age 65 or over.