Grandville township Flag

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.

345
Total Population
9
Density (mi²)
1 0.29%
Growth

Grandville township Population

Grandville township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Grandville township includes 96.21% White, and smaller percentages for 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)
White30596.21%
Two or more races123.79%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)