Greene County Flag

Greene County

State:
Illinois
County Seat:
Carrollton

Greene County's estimated 2025 population is 11,349 with a growth rate of -0.85% in the past year according to the most recent United States census data. Greene County is the 85th largest county in Illinois. The 2010 population was 13,890 and has seen a growth of -18.29% since that time.

11,349
Total Population
21
Population Density (miĀ²)
85
Population Rank (State)
-97 -0.85%
Annual Population Growth

Greene County Population

Greene County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Greene County includes 96.1% White, and smaller percentages for Two or more races, Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White11,37596.1%
Two or more races2792.36%
Black or African American820.69%
Other race520.44%
Asian400.34%
Native American70.06%
Native Hawaiian or Pacific Islander20.02%

Greene County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greene County's average per capita income is $37,694. Household income levels show a median of $60,976. The poverty rate stands at 14.21%.

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$91,335-
Families$74,519$93,840
Households$60,976$81,696
Non Families$32,444$54,331

$37,694

Average Income

$60,976

Median Household Income

14.21%

Poverty Rate