Cities & Towns in New Castle County, DE
New Castle County, county in Delaware, United States. As of 2020 county had an estimated population of 561,531 inhabitants. The county was created 359 years ago in 1664. Its county seat is "Wilmington".
There are 21 city/town in New Castle County, DE. The largest city of New Castle County is Wilmington with a population of 70,376. Other cities include, Newark population 33,849, Middletown population 23,765, Bear population 19,371, Hockessin population 13,527
Wilmington
Wilmington, city in and county seat of New Castle County, Delaware, United States
Newark
Newark, city in New Castle County, Delaware, United States
Middletown
Middletown, town in Delaware, USA
All New Castle County Cities (Aphebetical)
Cities, Towns, Neighborhoods & Other Populated Places in New Castle County.
| City Name | Title | County | Population |
|---|---|---|---|
| Arden | Village in New Castle County, Delaware, United States of America | New Castle | 436 |
| Ardencroft | Town | New Castle | 218 |
| Ardentown | City in New Castle County, Delaware, United States of America | New Castle | 274 |
| Bear | Census-designated place in Delaware, United States | New Castle | 19,371 |
| Bellefonte | Town of the United States | New Castle | 1,166 |
| Brookside | Town in Alabama | New Castle | 2,896 |
| Claymont | Census-designated place in Delaware | New Castle | 8,253 |
| Delaware City | City in New Castle County, Delaware, United States | New Castle | 1,837 |
| Edgemoor | Census designated place | New Castle | 5,677 |
| Elsmere | Town in Delaware | New Castle | 5,761 |
| Hockessin | Census designated place | New Castle | 13,527 |
| Middletown | Town in Delaware, USA | New Castle | 23,765 |
| New Castle | City in Delaware | New Castle | 5,394 |
| Newark | City in New Castle County, Delaware, United States | New Castle | 33,849 |
| Newport | Town in New Castle County, Delaware, United States | New Castle | 874 |
| North Star | Census designated place | New Castle | 7,980 |
| Odessa | Town in New Castle County, Delaware, USA | New Castle | 354 |
| Pike Creek | Census designated place | New Castle | 7,898 |
| Townsend | Town in New Castle County, Delaware, United States | New Castle | 2,764 |
| Wilmington | City in and county seat of New Castle County, Delaware, United States | New Castle | 70,376 |
| Wilmington Manor | Census-designated place in Delaware | New Castle | 7,889 |
