City in Pennsylvania
New Castle, PA
- Population
- 21,332 (2024)
- Density
- 2,567 / sq mi
- Land area
- 8.3 sq mi
- Water area
- 0.2 sq mi
- Coordinates
- 40.9956, -80.3458
Resident reviews
Be the first to review →No reviews yet. Live in New Castle, or used to? Tell people what it is really like.
ZIP codes
- 16101
- 16102
- 16105