Explore this detailed map of New Castle County in northern Delaware, featuring major cities, towns, highways, rivers, and important landmarks. The map highlights Wilmington, Newark, Middletown, Delaware City, and other populated places along with Interstate 95, US highways, and regional road networks. Natural attractions including White Clay Creek State Park, Brandywine Creek State Park, and Blackbird State Forest are also clearly marked. Neighboring states such as Pennsylvania, Maryland, and New Jersey are shown for geographic reference. This map is useful for educational purposes, travel planning, regional studies, and understanding the transportation and settlement patterns of New Castle County, Delaware.
| Fact | Details |
|---|---|
| Official Name | New Castle County |
| State | Delaware |
| Country | United States |
| Founded | 1637 |
| Incorporated | 1673 |
| Population | Approximately 575,000 |
| County | Wilmington |
| Area | About 489 sq mi (1,270 sq km) |
| Time Zone | Eastern Time Zone (EST/EDT) |
| ZIP Codes | 19701–19810 |
| Area Code | 302 |
| Known For | Wilmington city, historic sites, ports, universities, and business centers |
| Major Airport | Wilmington Airport |
| Climate | Humid Subtropical Climate |
| Nickname | First County of Delaware |
| Major Highways | I-95, I-295, US-13, US-40, DE-1 |
| Nearby Border | Pennsylvania, Maryland, New Jersey |
| Major Attractions | Brandywine Creek State Park, White Clay Creek State Park, Delaware Museum of Nature & Science, Hagley Museum, Nemours Estate |