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 2026 population of 346. Grandville township is currently declining at a rate of -0.57% annually and its population has decreased by -2.81% since the most recent census, which recorded a population of 356 in 2020.

The median household income in Grandville township is $49,250 with a poverty rate of 10.32%. The median age in Grandville township is 57 years: 57.7 years for males, and 54.5 years for females. For every 100 females there are 97.2 males.

346
Total Population
9.4
Density (mi²)
-2 -0.57%
Growth

Grandville township Population

Grandville township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026346-2-0.57%
2025348-2-0.57%
2024350-2-0.57%
2023352-1-0.28%
202235300%
2021353-3-0.84%
2020356-1-0.28%
2019374-1-0.27%
201837561.63%
2017369-2-0.54%
2016371-2-0.54%
2015373-1-0.27%
201437410.27%
2013373-3-0.8%
2012376-2-0.53%
201137861.61%
201037810.27%

Median Age

Overall: 57 years
Female: 54.5 years
Male: 57.7 years

Grandville township Adults

There are 303 adults, (135 of whom are seniors) in Grandville township.

Sex Ratio

Female: 177 (50.7%)
Male: 172 (49.3%)

Demographics

The racial composition of Grandville township includes 94.27% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White32994.27%
Two or more races205.73%
Race
Population ↓
Percentage (of total)
White32994.27%
Two or more races205.73%

Grandville township Marital Status

Economics and Income Statistics

Grandville township 's average per capita income is $40,625. Household income levels show a median of $49,250. The poverty rate stands at 10.32%.

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
Households$49,250$84,780
Married Families$48,500-
Families$48,250$80,947
Non Families-$115,688

$40,625

Average Income

$49,250

Median Household Income

10.32%

Poverty Rate

Nearby Cities

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)