Lake township

County:: Clinton County
County Seat:: No
Area (mi²):: 29.788
State:: Illinois

Lake township is located in Clinton County, Illinois. Lake township has a 2025 population of 801. Lake township is currently declining at a rate of -0.74% annually and its population has decreased by -2.32% since the most recent census, which recorded a population of 820 in 2020.

The average household income in Lake township is $84,676 with a poverty rate of 3.48%. The median age in Lake township is 32 years: 31.4 years for males, and 32.4 years for females.

Demographics

The racial composition of Lake township includes 97.72% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	814	97.72%
Two or more races	19	2.28%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Lake township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lake township's average per capita income is $48,828. Household income levels show a median of $75,000. The poverty rate stands at 3.48%.

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	$98,750	-
Families	$90,875	$97,459
Households	$75,000	$84,676
Non Families	$29,375	$43,261

$48,828

Average Income

$75,000

Median Household Income

3.48%

Poverty Rate