Carnegie borough, Pennsylvania
Official LSAD Designation: Carnegie borough • Census GEOID: 4211336
• Allegheny County
Demographics & Population Profile
Population and demographics for Carnegie borough.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 7,777 | — | 2025 | Census |
| Median Age | 40.4 yrs | ±3.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,217 | ±217 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).