Aberdeen city, Maryland
Official LSAD Designation: Aberdeen city • Census GEOID: 2400125
• Harford County
Demographics & Population Profile
Population and demographics for Aberdeen city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 18,374 | — | 2025 | Census |
| Median Age | 38.8 yrs | ±2.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 7,300 | ±391 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).