Marshalltown, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Marshalltown, Iowa had a total population of 27,626, the 17th largest city in Iowa, with a median household income of $69,068, which is 8% lower than the state average. The poverty rate is 14.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.8x.
Marshalltown Quick Facts
How Marshalltown Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 27,491 | 27,626 | +0.5% |
| Median household income | $68,854 | $69,068 | +0.3% |
| Median home value | $117,100 | $127,700 | +9.1% |
How Marshalltown Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
Marshalltown Rankings in Iowa
Explore Iowa Rankings
Other Cities in Marshall County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| State Center | 1,412 | $83,942 | 4.9% | $167,400 |
| Melbourne | 804 | $71,667 | 11.7% | $155,400 |
| Le Grand | 720 | $76,250 | 5.6% | $145,700 |
| Gilman | 623 | $101,136 | 8.8% | $88,700 |
| Albion | 622 | $91,250 | 10.7% | $135,200 |
| Liscomb | 298 | $84,042 | 4.7% | $93,800 |
| Laurel | 278 | $61,250 | 8.3% | $103,100 |
| Rhodes | 265 | $73,083 | 7.5% | $98,000 |
| Haverhill | 142 | $61,607 | 12.8% | $115,300 |
| Clemons | 108 | N/A | 0.9% | $96,400 |
Cities Similar to Marshalltown
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Mason City | 27,050 | $64,804 | $142,000 | 20.8% | 12.0% |
| Ottumwa | 25,430 | $61,103 | $106,300 | 20.8% | 17.2% |
| Fort Dodge | 24,827 | $60,649 | $144,100 | 21.7% | 15.9% |
| Coralville | 23,234 | $69,144 | $298,500 | 56.0% | 13.0% |
| Clinton | 24,322 | $60,230 | $118,200 | 20.8% | 18.5% |
Population Overview
Marshalltown is a mid-sized community located in Iowa, within Marshall County. The total population is 27,626. It ranks as the 17th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Marshalltown is 35.7 years. This is 8% lower than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Marshalltown is $69,068. This is 8% lower than the state median of $75,059. It is also 14% lower than the national median of $80,734. The poverty rate stands at 14.3%. This is 29% higher than the state poverty rate of 11.1%. The unemployment rate is 5.3%. This is 47% higher than the state rate of 3.6%. The median home value is $127,700. Housing costs are 39% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.8x, Marshalltown is one of the most affordable housing markets in the area. 68.8% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 71.7%.
Race & Ethnicity
The largest racial or ethnic group in Marshalltown is White (non-Hispanic), making up 54.1% of the population. Hispanic or Latino residents account for 34.2%. The Hispanic or Latino population is significantly higher than the state average (34.2% vs 7.3%). The Asian population is significantly higher than the state average (4.9% vs 2.5%).
Education
20.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 34% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 81.8%.
Data Sources & Methodology
All demographic data for Marshalltown, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Marshalltown, Iowa?
Marshalltown, Iowa has a population of 27,626 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Marshalltown, IA?
The median household income in Marshalltown is $69,068, which is 14% lower than the national median of $80,734.
What is the poverty rate in Marshalltown, IA?
The poverty rate in Marshalltown is 14.3%. This means approximately 3,780 residents live below the federal poverty line.
What is the racial makeup of Marshalltown, Iowa?
Marshalltown's population is 54.1% White, 2.1% Black, 34.2% Hispanic/Latino, and 4.9% Asian.
What is the median home value in Marshalltown, IA?
The median home value in Marshalltown is $127,700. The home-value-to-income ratio is 1.8x.
How educated is Marshalltown, Iowa?
20.9% of adults (25+) in Marshalltown hold a bachelor's degree or higher, and 7.5% hold a graduate or professional degree.