Grand River Flag

Grand River

County:
Decatur County
County Seat:
No
Area (mi²):
0.189
State:
Iowa

Grand River is a city located in Decatur County, Iowa. Grand River has a 2026 population of 190. Grand River is currently declining at a rate of -0.52% annually and its population has decreased by -2.56% since the most recent census, which recorded a population of 195 in 2020.

The median household income in Grand River is $40,156 with a poverty rate of 19.28%. The median age in Grand River is 47.5 years: 59.5 years for males, and 45.4 years for females. For every 100 females there are 88.6 males.

190
Total Population
1,006
Density (mi²)
-1 -0.52%
Growth

Grand River Population

Grand River Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026190-1-0.52%
2025191-1-0.52%
2024192-3-1.54%
2023195-1-0.51%
2022196-1-0.51%
202119721.03%
2020195-1-0.51%
201921700%
2018217-2-0.91%
2017219-2-0.9%
2016221-1-0.45%
2015222-3-1.33%
2014225-1-0.44%
2013226-3-1.31%
2012229-2-0.87%
2011231-5-2.12%
2010237-1-0.42%

Median Age

Overall: 47.5 years
Female: 45.4 years
Male: 59.5 years

Grand River Adults

There are 149 adults, (52 of whom are seniors) in Grand River.

Sex Ratio

Female: 88 (53%)
Male: 78 (47%)

Demographics

The racial composition of Grand River includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White166100%
Race
Population ↓
Percentage (of total)
White166100%

Grand River Marital Status

Economics and Income Statistics

Grand River 's average per capita income is $46,250. Household income levels show a median of $40,156. The poverty rate stands at 19.28%.

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
Families$41,406$64,346
Married Families$41,328-
Households$40,156$53,379
Non Families$36,389$37,616

$46,250

Average Income

$40,156

Median Household Income

19.28%

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)