Joliet

County:: Will County
County Seat:: Yes
Area (mi²):: 66.123
State:: Illinois

Joliet is a city located in Will County, Illinois. Joliet has a 2025 population of 150,647. It is also the county seat of Will County. Joliet is currently growing at a rate of 0.05% annually and its population has increased by 0.26% since the most recent census, which recorded a population of 150,251 in 2020.

The average household income in Joliet is $103,281 with a poverty rate of 11.03%. The median age in Joliet is 35.3 years: 34.4 years for males, and 36 years for females.

Demographics

The racial composition of Joliet includes 52.7% White, 16.98% Black or African American, 14.47% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	78,944	52.7%
Black or African American	25,428	16.98%
Other race	21,678	14.47%
Two or more races	19,404	12.95%
Asian	3,161	2.11%
Native American	1,169	0.78%
Native Hawaiian or Pacific Islander	1	0%

Joliet Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Joliet's average per capita income is $50,746. Household income levels show a median of $88,026. The poverty rate stands at 11.03%.

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	$119,277	$132,092
Families	$102,373	$115,291
Households	$88,026	$103,281
Non Families	$52,586	$65,778

$50,746

Average Income

$88,026

Median Household Income

11.03%

Poverty Rate