Marion township

County:: Linn County
County Seat:: No
Area (mi²):: 35.482
State:: Iowa

Marion township is located in Linn County, Iowa. Marion township has a 2025 population of 947. 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 $68,236 with a poverty rate of 7.02%.The median age in Marion township is 56.3 years: 51.8 years for males, and 59.7 years for females.

Demographics

The racial composition of Marion township includes 92.82% White, 3.17% Black or African American, 3.17% other race, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	879	92.82%
Black or African American	30	3.17%
Other race	30	3.17%
Two or more races	8	0.84%

Marion township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion township's average per capita income is $47,619. Household income levels show a median of $44,598. The poverty rate stands at 7.02%.

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	$100,833	-
Families	$59,188	$91,167
Households	$44,598	$68,236
Non Families	$29,786	$39,061

$47,619

Average Income

$44,598

Median Household Income

7.02%

Poverty Rate