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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	814	97.72%
Two or more races	19	2.28%

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