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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023


NEW CASTLE County, DE Covers 52 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 19701GeneralBear42,717Eastern302
ZIP Code 19702GeneralNewark55,653Eastern302
ZIP Code 19703GeneralClaymont16,175Eastern302
ZIP Code 19706P.O. BoxDelaware City1,938Eastern302
ZIP Code 19707GeneralHockessin17,274Eastern302
ZIP Code 19708P.O. BoxKirkwood0Eastern302
ZIP Code 19709GeneralMiddletown49,599Eastern302
ZIP Code 19710P.O. BoxMontchanin108Eastern302
ZIP Code 19711GeneralNewark48,477Eastern302
ZIP Code 19712UniqueNewark0Eastern302
ZIP Code 19713GeneralNewark31,867Eastern302
ZIP Code 19714P.O. BoxNewark0Eastern302
ZIP Code 19715P.O. BoxNewark0Eastern302
ZIP Code 19716GeneralNewark42Eastern302
ZIP Code 19717GeneralNewark6,201Eastern302
ZIP Code 19718UniqueNewark0Eastern302
ZIP Code 19720GeneralNew Castle61,043Eastern302
ZIP Code 19721UniqueNew Castle0Eastern302
ZIP Code 19725UniqueNewark0Eastern302
ZIP Code 19726UniqueNew Castle0Eastern302
ZIP Code 19730P.O. BoxOdessa472Eastern302
ZIP Code 19731P.O. BoxPort Penn329Eastern302
ZIP Code 19732P.O. BoxRockland223Eastern302
ZIP Code 19733P.O. BoxSaint Georges320Eastern302
ZIP Code 19734GeneralTownsend14,116Eastern302
ZIP Code 19735GeneralWinterthur16Eastern302
ZIP Code 19736GeneralYorklyn34Eastern302
ZIP Code 19801GeneralWilmington16,219Eastern302
ZIP Code 19802GeneralWilmington26,189Eastern302
ZIP Code 19803GeneralWilmington21,886Eastern302
ZIP Code 19804GeneralWilmington18,292Eastern302
ZIP Code 19805GeneralWilmington39,985Eastern302
ZIP Code 19806GeneralWilmington10,083Eastern302
ZIP Code 19807GeneralWilmington8,089Eastern302
ZIP Code 19808GeneralWilmington39,285Eastern302
ZIP Code 19809GeneralWilmington14,658Eastern302
ZIP Code 19810GeneralWilmington25,270Eastern302
ZIP Code 19850P.O. BoxWilmington0Eastern302
ZIP Code 19880P.O. BoxWilmington0Eastern302
ZIP Code 19884UniqueWilmington0Eastern302
ZIP Code 19885UniqueWilmington0Eastern302
ZIP Code 19886UniqueWilmington0Eastern302
ZIP Code 19890UniqueWilmington0Eastern302
ZIP Code 19891UniqueWilmington0Eastern302
ZIP Code 19892UniqueWilmington0Eastern302
ZIP Code 19893UniqueWilmington0Eastern302
ZIP Code 19894UniqueWilmington0Eastern302
ZIP Code 19895UniqueWilmington0Eastern302
ZIP Code 19896UniqueWilmington0Eastern302
ZIP Code 19897UniqueWilmington0Eastern302
ZIP Code 19898UniqueWilmington0Eastern302
ZIP Code 19899P.O. BoxWilmington0Eastern302

Population:989,948 (More Details)
Male Population:476,719
Female Population:513,229
Median Age:41
ZIP Codes:52
Area Codes:0
Total Area:494 square miles (county)
Land Area:426 square miles (county)
Water Area:68 square miles (county)

NEW CASTLE, DE Demographic Information

* Demographic data is based on 2020 Census.

Total population of NEW CASTLE County, DE570,719
Male population of NEW CASTLE County, DE274,700
Female population of NEW CASTLE County, DE296,019
Median age (years)39.0
White Population314,231
Black Population146,544
Indian Population2,156
Asian Population35,200
Hawaiian Population175
Hispanic Population63,516
Median age (Male)37.6
Median age (Female)40.3
Total households219,571
Average household size for NEW CASTLE County, DE2.53
Average family size of NEW CASTLE County, DE3.16
Total housing units for NEW CASTLE County, DE233,747

NEW CASTLE County, DE Covers 17 Cities