Gardner city, Massachusetts
Official LSAD Designation: Gardner city • Census GEOID: 2525485
• Worcester County
Demographics & Population Profile
Population and demographics for Gardner city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 21,483 | — | 2025 | Census |
| Median Age | 43.7 yrs | ±2.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 8,940 | ±349 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).