Marion township Flag

Marion township

County:
Linn County
County Seat:
No
Area (mi²):
73.23
State:
Iowa

Marion township is located in Linn County, Iowa. Marion township has a 2025 population of 44,658. Marion 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 Marion township is $111,534 with a poverty rate of 7.09%.The median age in Marion township is 40.9 years: 40 years for males, and 42.1 years for females.

44.7K
Total Population
610
Density (mi²)
0 0%
Growth

Marion township Population

Marion township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Marion township includes 89.4% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White39,92689.4%
Two or more races1,9934.46%
Black or African American1,1442.56%
Asian8681.94%
Other race3780.85%
Native American3220.72%
Native Hawaiian or Pacific Islander270.06%

Marion township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion township's average per capita income is $56,349. Household income levels show a median of $88,936. The poverty rate stands at 7.09%.

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$123,838-
Families$111,911$133,175
Households$88,936$111,534
Non Families$48,705$59,808

$56,349

Average Income

$88,936

Median Household Income

7.09%

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)