Gardiner city, Maine
Official LSAD Designation: Gardiner city • Census GEOID: 2327085
• Kennebec County
Demographics & Population Profile
Population and demographics for Gardiner city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 6,206 | — | 2025 | Census |
| Median Age | 42 yrs | ±3.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,730 | ±226 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).