South Barrington

County:: Cook County
County Seat:: No
Area (mi²):: 7.458
State:: Illinois

South Barrington is a village located in Cook County, Illinois. South Barrington has a 2025 population of 4,913. South Barrington is currently declining at a rate of -0.61% annually and its population has decreased by -3% since the most recent census, which recorded a population of 5,065 in 2020.

The average household income in South Barrington is $305,743 with a poverty rate of 1.32%.The median age in South Barrington is 49.2 years: 49 years for males, and 49.6 years for females.

Demographics

The racial composition of South Barrington includes 50.12% White, 45.22% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,508	50.12%
Asian	2,263	45.22%
Two or more races	169	3.38%
Black or African American	64	1.28%

South Barrington Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Barrington's average per capita income is $139,573. Household income levels show a median of $211,083. The poverty rate stands at 1.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$238,924	-
Families	$235,648	$320,221
Households	$211,083	$305,743
Non Families	-	$82,595

$139,573

Average Income

$211,083

Median Household Income

1.32%

Poverty Rate