Riverside township Flag

Riverside township

County Seat:
No
Area (mi²):
27.424
State:
Iowa

Riverside township is located in Washington County, Iowa. Riverside township has a 2025 population of 405. Riverside 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 Riverside township is $95,773 with a poverty rate of 0.99%.The median age in Riverside township is 47.4 years: 38.9 years for males, and 47.5 years for females.

405
Total Population
15
Density (mi²)
0 0%
Growth

Riverside township Population

Riverside township Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White405100%

Riverside township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Riverside township's average per capita income is $37,014. Household income levels show a median of $69,375. The poverty rate stands at 0.99%.

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$98,516-
Families$97,891$107,853
Households$69,375$95,773
Non Families$46,964$49,400

$37,014

Average Income

$69,375

Median Household Income

0.99%

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)