Calmar, IA Demographics
Calmar, IA is the 257th most populous of 1027 cities in Iowa, with 1,125 residents across 1 square miles. That is about 1,018 people per square mile.
At the 2020 census
| Population | 1,125 |
|---|---|
| Land area | 1 sq mi |
| Density | 1,018 / sq mi |
Data: 2020 Decennial Census · land area from Census TIGER/Line
How Calmar, 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.