Allentown city, Pennsylvania
Official LSAD Designation: Allentown city • Census GEOID: 4202000
• Lehigh County
Demographics & Population Profile
Population and demographics for Allentown city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 126,044 | — | 2025 | Census |
| Median Age | 33.1 yrs | ±0.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 46,374 | ±913 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).