Mendon township

County:: Adams County
County Seat:: No
Area (mi²):: 36.689
State:: Illinois

Mendon township is located in Adams County, Illinois. Mendon township has a 2025 population of 1,389. Mendon township is currently declining at a rate of -0.22% annually and its population has decreased by -2.66% since the most recent census, which recorded a population of 1,427 in 2020.

The average household income in Mendon township is $90,254 with a poverty rate of 8.68%.The median age in Mendon township is 34 years: 34.2 years for males, and 32.7 years for females.

Demographics

The racial composition of Mendon township includes 97.36% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,734	97.36%
Two or more races	31	1.74%
Other race	16	0.9%

Mendon township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mendon township's average per capita income is $55,199. Household income levels show a median of $73,491. The poverty rate stands at 8.68%.

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	$98,438	-
Families	$93,194	$108,172
Households	$73,491	$90,254
Non Families	$59,500	$55,571

$55,199

Average Income

$73,491

Median Household Income

8.68%

Poverty Rate