County
New Castle County, DE ZIP codes
57 ZIPs, including 19701, 19702, 19703, 19706, 19707, 19708, 19709, 19710, 19711, 19712, 19713, 19714, 19715, 19716, 19717, 19718, 19720, 19721, 19725, 19726, 19730, 19731, 19732, 19733, 19734, 19735, 19736, 19801, 19802, 19803, 19804, 19805, 19806, 19807, 19808, 19809, 19810, 19850, 19880, 19884, 19885, 19886, 19887, 19889, 19890, 19891, 19892, 19893, 19894, 19895, 19896, 19897, 19898, 19899 as county.
Median household income
$98,846
Median home value
$358,063
ZIP share of this county
Population share
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
Enterprise county
ZIP codes in New Castle County
| ZIP | City | County | Population | Income |
|---|
| 19701 | Bear | New Castle County | 44,801 | $107,856 |
| 19702 | Newark | New Castle County | 56,049 | $92,304 |
| 19703 | Claymont | New Castle County | 15,936 | $76,328 |
| 19706 | Delaware City | New Castle County | 2,059 | $77,143 |
| 19707 | Hockessin | New Castle County | 17,366 | $172,161 |
| 19708 | Kirkwood | New Castle County | 106 | — |
| 19709 | Middletown | New Castle County | 50,542 | $129,971 |
| 19710 | Montchanin | New Castle County | 0 | — |
| 19711 | Newark | New Castle County | 49,113 | $94,455 |
| 19712 | Newark | New Castle County | 15 | — |
| 19713 | Newark | New Castle County | 30,549 | $72,850 |
| 19714 | Newark | New Castle County | 1,260 | — |
| 19715 | Newark | New Castle County | 138 | — |
| 19716 | Newark | New Castle County | 0 | — |
| 19717 | Newark | New Castle County | 6,522 | — |
| 19718 | Newark | New Castle County | — | — |
| 19720 | New Castle | New Castle County | 60,593 | $75,985 |
| 19721 | New Castle | New Castle County | 88 | — |
| 19725 | Newark | New Castle County | — | — |
| 19726 | New Castle | New Castle County | — | — |
| 19730 | Odessa | New Castle County | 506 | $81,927 |
| 19731 | Port Penn | New Castle County | 630 | $68,832 |
| 19732 | Rockland | New Castle County | 155 | $250,001 |
| 19733 | Saint Georges | New Castle County | 182 | — |
| 19734 | Townsend | New Castle County | 14,151 | $131,745 |
| 19735 | Winterthur | New Castle County | 0 | — |
| 19736 | Yorklyn | New Castle County | 13 | — |
| 19801 | Wilmington | New Castle County | 16,170 | $44,505 |
| 19802 | Wilmington | New Castle County | 25,670 | $54,370 |
| 19803 | Wilmington | New Castle County | 21,971 | $133,941 |
| 19804 | Wilmington | New Castle County | 18,231 | $76,204 |
| 19805 | Wilmington | New Castle County | 40,315 | $56,708 |
| 19806 | Wilmington | New Castle County | 9,934 | $86,240 |
| 19807 | Wilmington | New Castle County | 7,763 | $156,905 |
| 19808 | Wilmington | New Castle County | 38,334 | $92,883 |
| 19809 | Wilmington | New Castle County | 15,129 | $85,988 |
| 19810 | Wilmington | New Castle County | 25,859 | $110,486 |
| 19850 | Wilmington | New Castle County | 518 | — |
| 19880 | Wilmington | New Castle County | — | — |
| 19884 | Wilmington | New Castle County | — | — |
| 19885 | Wilmington | New Castle County | — | — |
| 19886 | Wilmington | New Castle County | — | — |
| 19887 | Wilmington | New Castle County | — | — |
| 19889 | Wilmington | New Castle County | — | — |
| 19890 | Wilmington | New Castle County | 242 | — |
| 19891 | Wilmington | New Castle County | — | — |
| 19892 | Wilmington | New Castle County | — | — |
| 19893 | Wilmington | New Castle County | — | — |
| 19894 | Wilmington | New Castle County | — | — |
| 19895 | Wilmington | New Castle County | — | — |
| 19896 | Wilmington | New Castle County | — | — |
| 19897 | Wilmington | New Castle County | — | — |
| 19898 | Wilmington | New Castle County | 658 | — |
| 19899 | Wilmington | New Castle County | 803 | — |
| 19938 | Clayton | Kent County | 9,867 | $96,338 |
| 19977 | Smyrna | Kent County | 27,164 | $78,803 |
| 21912 | Warwick | Cecil County | 1,430 | $65,074 |