Marshalltown, IA Demographics
Marshalltown, IA is the 16th most populous of 1027 cities in Iowa, with 27,591 residents across 19 square miles. That is about 1,437 people per square mile.
At the 2020 census
| Population | 27,591 |
|---|---|
| Land area | 19 sq mi |
| Density | 1,437 / sq mi |
Data: 2020 Decennial Census · land area from Census TIGER/Line
How Marshalltown, IA compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.