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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	643	87.13%
Two or more races	93	12.6%
Asian	2	0.27%

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