Grand River township

County:: Decatur County
County Seat:: No
Area (mi²):: 24.113
State:: Iowa

Grand River township is located in Decatur County, Iowa. Grand River township has a 2025 population of 324. Grand River township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Grand River township is $56,800 with a poverty rate of 20.37%.The median age in Grand River township is 40.5 years: 43.6 years for males, and 35.7 years for females.

Demographics

The racial composition of Grand River township includes 89.51% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	290	89.51%
Two or more races	34	10.49%

Grand River township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Grand River township's average per capita income is $46,750. Household income levels show a median of $48,594. The poverty rate stands at 20.37%.

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	$84,375	-
Families	$51,875	$71,931
Households	$48,594	$56,800
Non Families	$40,893	$37,378

$46,750

Average Income

$48,594

Median Household Income

20.37%

Poverty Rate