Geographic reference
New Castle County, Delaware
New Castle County is a county or county-equivalent in Delaware.
Reference details
- State
- Delaware (DE)
- Census GEOID
- 10003
- Land area
- 1,104.211 km²
- Water area
- 175.313 km²
- Representative point
- 39.575915, -75.644132
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.