Mcdonough County Flag

Mcdonough County

State:
Illinois
County Seat:
Macomb

McDonough County's estimated 2025 population is 26,689 with a growth rate of -0.28% in the past year according to the most recent United States census data. McDonough County is the 50th largest county in Illinois. The 2010 population was 32,631 and has seen a growth of -18.21% since that time.

26,689
Total Population
45
Population Density (miĀ²)
50
Population Rank (State)
-75 -0.28%
Annual Population Growth

McDonough County Population

McDonough County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of McDonough County includes 87.12% White, 5.82% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White23,61087.12%
Black or African American1,5785.82%
Two or more races1,0463.86%
Asian5361.98%
Other race3161.17%
Native American90.03%
Native Hawaiian or Pacific Islander70.03%

McDonough County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

McDonough County's average per capita income is $41,665. Household income levels show a median of $50,434. The poverty rate stands at 19.91%.

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$91,701-
Families$74,951$95,646
Households$50,434$69,045
Non Families$30,349$41,425

$41,665

Average Income

$50,434

Median Household Income

19.91%

Poverty Rate