New Castle County, Delaware Basics:
New Castle County Delaware - Government Site
Population: 546,140
Area: 426 square miles
County seat: Wilmington
Area code(s) in use: 302
Time zone: EST
High school graduate or higher: 89.2%
Bachelor's degree or higher: 33.5%
Median household income: $64,670
Persons in poverty: 10.7%
Home ownership rate: 70.2%
Mean travel time to work: 24.9 minutes
Adjacent counties:
Cecil (MD) Chester (PA) Delaware (PA) Gloucester (NJ) Kent Kent (MD) Philadelphia (PA) Salem (NJ)