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New Castle County, Delaware ZIP code demographics

31 ZIP Code Tabulation Areas in New Castle County, Delaware. The population-weighted median household income is about $94,028, the median home value about $363,899, and 69.8% of occupied homes are owner-occupied.

31
ZIP codes
610.7K
Population
53
Data points

New Castle County at a glance

$94,028
Median household income
$363,899
Median home value
39.7
Median age
69.8%
Owner-occupied
248,440
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 New Castle County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
11973289100%$236,000
219707Hockessin17,37686.8%$172,696
319807Greenville7,81566.3%$153,341
41980322,27989.1%$135,218
519709Middletown53,23486.2%$132,956
Top 5 New Castle County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
119720Bear62,39267.6%$75,403
219702Bear55,68360.2%$92,446
319709Middletown53,23486.2%$132,956
419711Newark49,43264.5%$95,403
519701Bear42,98480.5%$111,198
Top 5 New Castle County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
119709Middletown53,23486.2%$132,956$2.1B
219701Bear42,98480.5%$111,198$1.5B
319720Bear62,39267.6%$75,403$1.2B
419702Bear55,68360.2%$92,446$1.2B
519808Hockessin39,08279%$94,234$1.2B

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 19717 (Newark) at 23,390 people/sq mi. Least dense: 19732 at 51 people/sq mi.

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