Will County Flag

Will County

State:
Illinois
County Seat:
Joliet

Will County's estimated 2025 population is 706,092 with a growth rate of 0.38% in the past year according to the most recent United States census data. Will County is the 4th largest county in Illinois. The 2010 population was 678,829 and has seen a growth of 4.02% since that time.

706,092
Total Population
845
Population Density (mi²)
4
Population Rank (State)
2.7K 0.38%
Annual Population Growth

Will County Population

Will County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Will County includes 65.03% White, 11.79% Black or African American, 6.92% other race, 6.11% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White454,21765.03%
Black or African American82,37111.79%
Two or more races67,6999.69%
Other race48,3636.92%
Asian42,6706.11%
Native American3,0830.44%
Native Hawaiian or Pacific Islander470.01%

Will County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Will County's average per capita income is $60,034. Household income levels show a median of $107,799. The poverty rate stands at 6.96%.

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$140,023$163,471
Families$124,227$147,160
Households$107,799$131,203
Non Families$58,765$75,782

$60,034

Average Income

$107,799

Median Household Income

6.96%

Poverty Rate