Data Last Updated: June 1, 2023

NEW CASTLE County, DE ZIP Codes

NEW CASTLE County, DE Covers 52 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 19701	General	Bear	42,717	Eastern	302
ZIP Code 19702	General	Newark	55,653	Eastern	302
ZIP Code 19703	General	Claymont	16,175	Eastern	302
ZIP Code 19706	P.O. Box	Delaware City	1,938	Eastern	302
ZIP Code 19707	General	Hockessin	17,274	Eastern	302
ZIP Code 19708	P.O. Box	Kirkwood	0	Eastern	302
ZIP Code 19709	General	Middletown	49,599	Eastern	302
ZIP Code 19710	P.O. Box	Montchanin	108	Eastern	302
ZIP Code 19711	General	Newark	48,477	Eastern	302
ZIP Code 19712	Unique	Newark	0	Eastern	302
ZIP Code 19713	General	Newark	31,867	Eastern	302
ZIP Code 19714	P.O. Box	Newark	0	Eastern	302
ZIP Code 19715	P.O. Box	Newark	0	Eastern	302
ZIP Code 19716	General	Newark	42	Eastern	302
ZIP Code 19717	General	Newark	6,201	Eastern	302
ZIP Code 19718	Unique	Newark	0	Eastern	302
ZIP Code 19720	General	New Castle	61,043	Eastern	302
ZIP Code 19721	Unique	New Castle	0	Eastern	302
ZIP Code 19725	Unique	Newark	0	Eastern	302
ZIP Code 19726	Unique	New Castle	0	Eastern	302
ZIP Code 19730	P.O. Box	Odessa	472	Eastern	302
ZIP Code 19731	P.O. Box	Port Penn	329	Eastern	302
ZIP Code 19732	P.O. Box	Rockland	223	Eastern	302
ZIP Code 19733	P.O. Box	Saint Georges	320	Eastern	302
ZIP Code 19734	General	Townsend	14,116	Eastern	302
ZIP Code 19735	General	Winterthur	16	Eastern	302
ZIP Code 19736	General	Yorklyn	34	Eastern	302
ZIP Code 19801	General	Wilmington	16,219	Eastern	302
ZIP Code 19802	General	Wilmington	26,189	Eastern	302
ZIP Code 19803	General	Wilmington	21,886	Eastern	302
ZIP Code 19804	General	Wilmington	18,292	Eastern	302
ZIP Code 19805	General	Wilmington	39,985	Eastern	302
ZIP Code 19806	General	Wilmington	10,083	Eastern	302
ZIP Code 19807	General	Wilmington	8,089	Eastern	302
ZIP Code 19808	General	Wilmington	39,285	Eastern	302
ZIP Code 19809	General	Wilmington	14,658	Eastern	302
ZIP Code 19810	General	Wilmington	25,270	Eastern	302
ZIP Code 19850	P.O. Box	Wilmington	0	Eastern	302
ZIP Code 19880	P.O. Box	Wilmington	0	Eastern	302
ZIP Code 19884	Unique	Wilmington	0	Eastern	302
ZIP Code 19885	Unique	Wilmington	0	Eastern	302
ZIP Code 19886	Unique	Wilmington	0	Eastern	302
ZIP Code 19890	Unique	Wilmington	0	Eastern	302
ZIP Code 19891	Unique	Wilmington	0	Eastern	302
ZIP Code 19892	Unique	Wilmington	0	Eastern	302
ZIP Code 19893	Unique	Wilmington	0	Eastern	302
ZIP Code 19894	Unique	Wilmington	0	Eastern	302
ZIP Code 19895	Unique	Wilmington	0	Eastern	302
ZIP Code 19896	Unique	Wilmington	0	Eastern	302
ZIP Code 19897	Unique	Wilmington	0	Eastern	302
ZIP Code 19898	Unique	Wilmington	0	Eastern	302
ZIP Code 19899	P.O. Box	Wilmington	0	Eastern	302

Timezone(s):	Eastern

Population:	989,948 (More Details)
Male Population:	476,719
Female Population:	513,229
Median Age:	41

ZIP Codes:	52
Cities:	17
Counties:	1
Area Codes:	0

Total Area:	494 square miles (county)
Land Area:	426 square miles (county)
Water Area:	68 square miles (county)

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NEW CASTLE, DE Demographic Information

* Demographic data is based on 2020 Census.

Total population of NEW CASTLE County, DE	570,719
Male population of NEW CASTLE County, DE	274,700
Female population of NEW CASTLE County, DE	296,019
Median age (years)	39.0
White Population	314,231
Black Population	146,544
Indian Population	2,156
Asian Population	35,200
Hawaiian Population	175
Hispanic Population	63,516
Median age (Male)	37.6
Median age (Female)	40.3
Total households	219,571
Average household size for NEW CASTLE County, DE	2.53
Average family size of NEW CASTLE County, DE	3.16
Total housing units for NEW CASTLE County, DE	233,747

NEW CASTLE County, DE ZIP Codes

NEW CASTLE County, DE Covers 52 ZIP Codes

NEW CASTLE, DE Demographic Information

NEW CASTLE County, DE Covers 17 Cities