Greene township

County:: Mercer County
County Seat:: No
Area (mi²):: 36.72
State:: Illinois

Greene township is located in Mercer County, Illinois. Greene township has a 2025 population of 1,425. Greene township is currently declining at a rate of -0.28% annually and its population has decreased by -1.52% since the most recent census, which recorded a population of 1,447 in 2020.

The average household income in Greene township is $91,187 with a poverty rate of 5.17%. The median age in Greene township is 46.1 years: 44.5 years for males, and 46.2 years for females.

Demographics

The racial composition of Greene township includes 87.44% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,372	87.44%
Two or more races	160	10.2%
Other race	32	2.04%
Asian	5	0.32%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Greene township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Greene township's average per capita income is $47,045. Household income levels show a median of $78,125. The poverty rate stands at 5.17%.

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	$99,018	-
Families	$82,455	$100,665
Households	$78,125	$91,187
Non Families	$44,750	$53,615

$47,045

Average Income

$78,125

Median Household Income

5.17%

Poverty Rate