South New Castle CDP, Pennsylvania
Official LSAD Designation: South New Castle CDP • Census GEOID: 4272376
• Lawrence County
Demographics & Population Profile
Population and demographics for South New Castle CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 635 | — | 2025 | Census |
| Median Age | 42.3 yrs | ±12.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 283 | ±77 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).