County
New Castle County, DE
Delaware · Population 577,961 · FIPS: 10003
Population
577,961
Cities
29
ZIP Codes
26
Safety Score
50
50
Average
Loading map…
About New Castle County
New Castle County is located in Delaware with a population of 577,961. It includes 29 cities and 26 ZIP codes. The largest cities include Wilmington, Newark, Middletown, Bear.
Cities in New Castle County
| City | Population | Median Home Price | Safety Score |
|---|---|---|---|
| Wilmington, DE | 71,727 | N/A | N/A |
| Newark, DE | 30,330 | N/A | N/A |
| Middletown, DE | 24,661 | N/A | N/A |
| Bear, DE | 22,370 | N/A | N/A |
| Glasgow, DE | 15,546 | N/A | N/A |
| Brookside, DE | 15,115 | N/A | N/A |
| Hockessin, DE | 13,439 | N/A | N/A |
| Pike Creek Valley, DE | 12,431 | N/A | N/A |
| Claymont, DE | 8,786 | N/A | N/A |
| Wilmington Manor, DE | 8,214 | N/A | N/A |
| North Star, DE | 7,834 | N/A | N/A |
| Pike Creek, DE | 7,129 | N/A | N/A |
| Edgemoor, DE | 6,349 | N/A | N/A |
| Elsmere, DE | 6,203 | N/A | N/A |
| New Castle, DE | 5,579 | N/A | N/A |
| Greenville, DE | 3,713 | N/A | N/A |
| Townsend, DE | 2,832 | N/A | N/A |
| Delaware City, DE | 1,950 | N/A | N/A |
| St. Georges, DE | 1,530 | N/A | N/A |
| Bellefonte, DE | 1,388 | N/A | N/A |
| Newport, DE | 900 | N/A | N/A |
| Arden, DE | 627 | N/A | N/A |
| Port Penn, DE | 592 | N/A | N/A |
| Odessa, DE | 409 | N/A | N/A |
| Ardentown, DE | 233 | N/A | N/A |
| Ardencroft, DE | 213 | N/A | N/A |
| Saint Georges, DE | 186 | N/A | N/A |
| Yorklyn, DE | 127 | N/A | N/A |
| Rockland, DE | 89 | N/A | N/A |
Explore Cities in New Castle County
Wilmington, DEPop. 71,727Newark, DEPop. 30,330Middletown, DEPop. 24,661Bear, DEPop. 22,370Glasgow, DEPop. 15,546Brookside, DEPop. 15,115Hockessin, DEPop. 13,439Pike Creek Valley, DEPop. 12,431Claymont, DEPop. 8,786Wilmington Manor, DEPop. 8,214North Star, DEPop. 7,834Pike Creek, DEPop. 7,129Edgemoor, DEPop. 6,349Elsmere, DEPop. 6,203New Castle, DEPop. 5,579Greenville, DEPop. 3,713Townsend, DEPop. 2,832Delaware City, DEPop. 1,950St. Georges, DEPop. 1,530Bellefonte, DEPop. 1,388Newport, DEPop. 900Arden, DEPop. 627Port Penn, DEPop. 592Odessa, DEPop. 409Ardentown, DEPop. 233Ardencroft, DEPop. 213Saint Georges, DEPop. 186Yorklyn, DEPop. 127Rockland, DEPop. 89
ZIP Codes in New Castle County
19701 - BearPop. 42,98419702 - NewarkPop. 55,68319703 - ClaymontPop. 15,46019706 - Delaware CityPop. 2,03819707 - HockessinPop. 17,37619709 - MiddletownPop. 53,23419711 - NewarkPop. 49,43219713 - NewarkPop. 30,74719717 - NewarkPop. 6,03619720 - New CastlePop. 62,39219730 - OdessaPop. 42519731 - Port PennPop. 65519732 - RocklandPop. 8919733 - Saint GeorgesPop. 18619734 - TownsendPop. 14,21419736 - YorklynPop. 12719801 - WilmingtonPop. 16,32719802 - WilmingtonPop. 26,05119803 - WilmingtonPop. 22,27919804 - WilmingtonPop. 18,779