Round Lake

County:: Lake County
County Seat:: No
Area (mi²):: 5.56
State:: Illinois

Round Lake is a village located in Lake County, Illinois. Round Lake has a 2025 population of 18,255. Round Lake is currently declining at a rate of -0.47% annually and its population has decreased by -2.34% since the most recent census, which recorded a population of 18,692 in 2020.

The average household income in Round Lake is $125,864 with a poverty rate of 8.99%. The median age in Round Lake is 36.7 years: 36.6 years for males, and 36.8 years for females.

Demographics

The racial composition of Round Lake includes 51.47% White, 14.6% Asian, 9.99% other race, 3.06% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	9,567	51.47%
Two or more races	3,558	19.14%
Asian	2,714	14.6%
Other race	1,857	9.99%
Black or African American	568	3.06%
Native American	283	1.52%
Native Hawaiian or Pacific Islander	41	0.22%

Round Lake Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Round Lake's average per capita income is $60,188. Household income levels show a median of $108,965. The poverty rate stands at 8.99%.

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	$133,108	-
Families	$123,349	$142,241
Households	$108,965	$125,864
Non Families	$78,654	$75,295

$60,188

Average Income

$108,965

Median Household Income

8.99%

Poverty Rate