Grandville township

County:: Jasper County
County Seat:: No
Area (mi²):: 36.989
State:: Illinois

Grandville township is located in Jasper County, Illinois. Grandville township has a 2025 population of 345. Grandville township is currently growing at a rate of 0.29% annually and its population has decreased by 0% since the most recent census, which recorded a population of 345 in 2020.

The average household income in Grandville township is $71,088 with a poverty rate of 11.99%.The median age in Grandville township is 57 years: 57.7 years for males, and 53.9 years for females.

Demographics

The racial composition of Grandville township includes 96.21% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	305	96.21%
Two or more races	12	3.79%

Grandville township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grandville township's average per capita income is $21,452. Household income levels show a median of $60,104. The poverty rate stands at 11.99%.

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	$60,938	-
Families	$60,833	$73,578
Households	$60,104	$71,088
Non Families	-	$25,557

$21,452

Average Income

$60,104

Median Household Income

11.99%

Poverty Rate