Norwalk city, Iowa
Official LSAD Designation: Norwalk city • Census GEOID: 1957675
• Polk County / Warren County
Demographics & Population Profile
Population and demographics for Norwalk city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 15,004 | — | 2025 | Census |
| Median Age | 37.8 yrs | ±2.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,610 | ±264 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).