New Castle County Public Records
| About New Castle County | |
| Land Area: | 426.27 Square Miles |
| County Located in: | Delaware |
| Population Estimate: | 534634 People |
| Number of Households: | 188935 |
| Number of Businesses: | 39463 |
| Median Household Income: | $63301 |
| Per Capita Income: | $45755 |
| Unemployment Rate: | 4.7 |
| Annual Number of Births: | 7355 |
| Annual Number of Deaths: | 4059 |
| Annual New Home Starts: | 822 |
New Castle County Records Offices
County Seat of New Castle
800 French Street
Wilmington, DE 19801
302-576-2140
Greater Wilmington Chamber of Commerce
100 W 10th St
Wilmington, DE 19801
910-762-2611
Register of Wills
800 N. French Street
Wilmington, DE 19801
302-395-7800
Wilmington City Treasurer
800 N. French Street
Wilmington, DE 19801
302-576-2480
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