Leef township

County:: Madison County
County Seat:: No
Area (mi²):: 29.239
State:: Illinois

Leef township is located in Madison County, Illinois. Leef township has a 2025 population of 607. Leef township is currently declining at a rate of -0.16% annually and its population has decreased by -0.98% since the most recent census, which recorded a population of 613 in 2020.

The average household income in Leef township is $119,605 with a poverty rate of 1.08%. The median age in Leef township is 34.7 years: 36.4 years for males, and 34.1 years for females.

Demographics

The racial composition of Leef township includes 87.13% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	643	87.13%
Two or more races	93	12.6%
Asian	2	0.27%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Leef township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Leef township's average per capita income is $58,913. Household income levels show a median of $118,958. The poverty rate stands at 1.08%.

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	$126,000	-
Families	$125,500	$128,556
Households	$118,958	$119,605
Non Families	$66,042	$63,962

$58,913

Average Income

$118,958

Median Household Income

1.08%

Poverty Rate