Marshalltown Flag

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 .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.

27.6K
Total Population
1,436
Density (mi²)
2 0.01%
Growth

Marshalltown Population

Marshalltown Population

Data after 2023 is projected based on recent change

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White18,17866.12%
Two or more races4,32315.73%
Other race2,3948.71%
Asian1,4365.22%
Black or African American7312.66%
Native American4291.56%
Native Hawaiian or Pacific Islander00%

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

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)