South Portland city, Maine
Official LSAD Designation: South Portland city • Census GEOID: 2371990
• Cumberland County
Demographics & Population Profile
Population and demographics for South Portland city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 27,007 | — | 2025 | Census |
| Median Age | 40.9 yrs | ±2.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 12,152 | ±464 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).