Coal City

County:: Grundy County
County Seat:: No
Area (mi²):: 5.768
State:: Illinois

Coal City is a village located in Grundy County, Illinois. Coal City has a 2025 population of 5,842. Coal City is currently growing at a rate of 0.5% annually and its population has increased by 2.55% since the most recent census, which recorded a population of 5,697 in 2020.

The average household income in Coal City is $103,609 with a poverty rate of 4.67%. The median age in Coal City is 42.3 years: 40.4 years for males, and 44.2 years for females.

Demographics

The racial composition of Coal City includes 92.65% White, 3.6% other race, and smaller percentages for Two or more races, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,767	92.65%
Other race	185	3.6%
Two or more races	143	2.78%
Black or African American	39	0.76%
Asian	11	0.21%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Coal City Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Coal City's average per capita income is $67,679. Household income levels show a median of $73,030. The poverty rate stands at 4.67%.

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	$97,143	-
Families	$91,012	$112,842
Households	$73,030	$103,609
Non Families	$48,279	$52,060

$67,679

Average Income

$73,030

Median Household Income

4.67%

Poverty Rate