Marengo city, Iowa
Official LSAD Designation: Marengo city • Census GEOID: 1949395
• Iowa County
Demographics & Population Profile
Population and demographics for Marengo city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,425 | — | 2025 | Census |
| Median Age | 39.6 yrs | ±4.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,148 | ±118 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).