Marshalltown

County:: Marshall County
County Seat:: Yes
Area (mi²):: 19.198
State:: Iowa

Marshalltown is a city located in Marshall County, Iowa. Marshalltown has a 2025 population of 27,577. It is also the county seat of Marshall County. Marshalltown is currently growing at a rate of 0.01% annually and its population has increased by 0.03% since the most recent census, which recorded a population of 27,569 in 2020.

The average household income in Marshalltown is $79,511 with a poverty rate of 14.03%.The median age in Marshalltown is 35.7 years: 35.1 years for males, and 36.8 years for females.

Demographics

The racial composition of Marshalltown includes 66.12% White, 8.71% other race, 5.22% Asian, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	18,178	66.12%
Two or more races	4,323	15.73%
Other race	2,394	8.71%
Asian	1,436	5.22%
Black or African American	731	2.66%
Native American	429	1.56%

Marshalltown Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marshalltown's average per capita income is $41,960. Household income levels show a median of $68,854. The poverty rate stands at 14.03%.

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	$94,286	-
Families	$84,059	$93,977
Households	$68,854	$79,511
Non Families	$40,156	$49,943

$41,960

Average Income

$68,854

Median Household Income

14.03%

Poverty Rate