Niagara city, Wisconsin
Official LSAD Designation: Niagara city • Census GEOID: 5557325
• Marinette County
Demographics & Population Profile
Population and demographics for Niagara city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,577 | — | 2025 | Census |
| Median Age | 48.6 yrs | ±4.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 729 | ±83 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).