Marshalltown, Iowa Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Marshalltown, Iowa is 27,491 as of the 2023 American Community Survey, making it the 16th-largest city in Iowa. The median household income is $68,854, the median home value is $117,100, and the median age is 35.7.
The population has grown 1.0% since 2010 (27,604 → 27,886).
27,491
Population
1432
People / sq mi
$68,854
Median Income
$117,100
Median Home Value
Marshalltown covers 19.2 sq mi of land at 1432 people per square mile.
About Marshalltown, IA
Marshalltown is a city in Iowa with a population of 27,491. It ranks #16 among cities in Iowa by population. The median age is 35.7, younger than the national median. The population is 51.1% male and 48.9% female.
The median household income in Marshalltown is $68,854, below the US median of $74,580. 10.4% of residents live below the federal poverty level. Home values sit at a median of $117,100, with monthly rent averaging $864. The homeownership rate of 66.9% is close to the national rate of 64.8%.
Educational attainment in Marshalltown reflects 19.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 6.0% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 17.4 minutes each way.
Marshalltown city Population History (2010-2024)
The city of Marshalltown city had a population of 27,604 in 2010 and 27,886 in 2024, a 1.0% growth over 14 years. The peak was 27,886 in 2024. Average annual growth rate: 0.08%.
27,886
Population (2024)
27,604
Population (2010)
27,886
Peak (2024)
0.08%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,604 |
| 2011 | 27,776 |
| 2012 | 27,823 |
| 2013 | 27,823 |
| 2014 | 27,609 |
| 2015 | 27,347 |
| 2016 | 27,177 |
| 2017 | 27,124 |
| 2018 | 26,984 |
| 2019 | 26,666 |
| 2020 | 27,578 |
| 2021 | 27,461 |
| 2022 | 27,491 |
| 2023 | 27,737 |
| 2024 | 27,886 |
Race & Ethnicity
| White | 66.1% |
| Black or African American | 2.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.4% |
| Two or More Races | 0.0% |
Economy & Income
$68,854
Median Household Income
$29,271
Per Capita Income
10.4%
Poverty Rate
3.0%
Unemployment Rate
Housing
$117,100
Median Home Value
$864
Median Rent
66.9%
Owner-Occupied
Education
82.1%
High School+
19.7%
Bachelor's+
Commute
0.0%
Drive Alone
74.9%
Public Transit
6.0%
Work From Home
17.4 min
Avg Commute
Community Profile
19.4%
Foreign Born
66.7%
Non-English at Home
9.4%
Veterans
13.3%
With Disability
94.2%
Health Insurance
92.6%
Internet Access
Employment by Industry
| Manufacturing | 27.2% |
| Professional, Scientific & Management | 23.1% |
| Construction | 7.8% |
| Finance, Insurance & Real Estate | 7.5% |
| Education, Health Care & Social Services | 5.0% |
| Arts, Entertainment & Food Services | 4.0% |
| Information | 3.6% |
| Retail Trade | 3.1% |
| Public Administration | 1.9% |
| Agriculture & Mining | 1.9% |
| Transportation & Warehousing | 1.0% |
Largest cities in Iowa
Largest counties in Iowa
Part of Iowa
Metro areas in Iowa
City rankings
Frequently Asked Questions
Marshalltown, Iowa has a population of 27,491 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest city in Iowa.
The median household income in Marshalltown, Iowa is $68,854, with 10.4% of residents living below the federal poverty level.
The median home value in Marshalltown, Iowa is $117,100, with median monthly rent at $864 and a homeownership rate of 66.9%.
The median age in Marshalltown, Iowa is 35.7 years. The population is 51.1% male and 48.9% female.
The population has grown 1.0% since 2010 (27,604 → 27,886).
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Statewide data for Iowa
Population, race, income, age, and trends across Iowa
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.