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 27,963 . It is also the county seat of Marshall County . Marshalltown is currently growing at a rate of 0.28% annually and its population has increased by 1.4% since the most recent census, which recorded a population of 27,578 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. For every 100 females there are 104.6 males.

28K
Total Population
1,457
Density (mi²)
77 0.28%
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 and multiracial populations.

Population by Race

White (66.12%)

Two or more races (15.73%)

Other race (8.71%)

Asian (5.22%)

Black or African American (2.66%)

Native American (1.56%)

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%

Marshalltown Marital Status

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

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

Nearby Cities

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)