New Castle County, Delaware
New Castle County profile, demographic data, and geographic information.
Cities & Towns in New Castle County
Constituent municipalities and census communities located within New Castle County.
| City / Town Name | Classification | Census GEOID | Land Area |
|---|---|---|---|
| Arden village | Village | 1001400 | 0.25 sq mi |
| Ardencroft village | Village | 1001530 | 0.09 sq mi |
| Ardentown village | Village | 1001660 | 0.23 sq mi |
| Bear CDP | CDP | 1004130 | 5.78 sq mi |
| Bellefonte town | Town | 1004650 | 0.20 sq mi |
| Brookside CDP | CDP | 1009850 | 3.88 sq mi |
| Claymont CDP | CDP | 1015310 | 2.15 sq mi |
| Clayton town | Town | 1015440 | 1.96 sq mi |
| Delaware City city | City | 1019730 | 1.86 sq mi |
| Edgemoor CDP | CDP | 1023240 | 1.91 sq mi |
| Elsmere town | Town | 1024540 | 0.99 sq mi |
| Glasgow CDP | CDP | 1029350 | 9.93 sq mi |
| Greenville CDP | CDP | 1031430 | 2.80 sq mi |
| Hockessin CDP | CDP | 1035850 | 10.04 sq mi |
| Middletown town | Town | 1047030 | 13.51 sq mi |
| New Castle city | City | 1050800 | 3.48 sq mi |
| Newark city | City | 1050670 | 9.47 sq mi |
| Newport town | Town | 1051190 | 0.47 sq mi |
| North Star CDP | CDP | 1052490 | 6.80 sq mi |
| Odessa town | Town | 1054050 | 0.51 sq mi |
| Pike Creek CDP | CDP | 1056490 | 2.69 sq mi |
| Pike Creek Valley CDP | CDP | 1056500 | 2.87 sq mi |
| Port Penn CDP | CDP | 1058600 | 0.40 sq mi |
| Smyrna town | Town | 1067310 | 6.47 sq mi |
| St. Georges CDP | CDP | 1063800 | 1.38 sq mi |
| Townsend town | Town | 1072510 | 1.12 sq mi |
| Wilmington city | City | 1077580 | 10.90 sq mi |
| Wilmington Manor CDP | CDP | 1077840 | 1.62 sq mi |