Marion

County:: Linn County
County Seat:: No
Area (mi²):: 17.867
State:: Iowa

Marion is a city located in Linn County, Iowa. Marion has a 2025 population of 42,622. Marion is currently growing at a rate of 0.48% annually and its population has increased by 2.46% since the most recent census, which recorded a population of 41,599 in 2020.

The average household income in Marion is $107,152 with a poverty rate of 7.03%. The median age in Marion is 40.4 years: 39.2 years for males, and 41.4 years for females.

Demographics

The racial composition of Marion includes 89.17% 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

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	37,174	89.17%
Two or more races	1,884	4.52%
Black or African American	1,144	2.74%
Asian	761	1.83%
Other race	378	0.91%
Native American	322	0.77%
Native Hawaiian or Pacific Islander	27	0.06%

Marion Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion's average per capita income is $56,162. Household income levels show a median of $87,105. The poverty rate stands at 7.03%.

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	$122,770	-
Families	$110,190	$128,032
Households	$87,105	$107,152
Non Families	$48,542	$59,611

$56,162

Average Income

$87,105

Median Household Income

7.03%

Poverty Rate