Iroquois County Flag

Iroquois County

State:
Illinois
County Seat:
Watseka

Iroquois County's estimated 2025 population is 25,422 with a growth rate of -1.38% in the past year according to the most recent United States census data. Iroquois County is the 51st largest county in Illinois. The 2010 population was 29,701 and has seen a growth of -14.41% since that time.

25,422
Total Population
23
Population Density (mi²)
51
Population Rank (State)
-357 -1.38%
Annual Population Growth

Iroquois County Population

Iroquois County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Iroquois County includes 89.59% White, 4% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White23,96289.59%
Two or more races1,3485.04%
Other race1,0694%
Black or African American1820.68%
Asian990.37%
Native American860.32%
Native Hawaiian or Pacific Islander00%

Iroquois County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Iroquois County's average per capita income is $43,709. Household income levels show a median of $62,439. The poverty rate stands at 13.39%.

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$98,156$116,075
Families$81,973$99,346
Households$62,439$81,382
Non Families$35,437$45,872

$43,709

Average Income

$62,439

Median Household Income

13.39%

Poverty Rate