New Castle County, DE Property & Market Data

New Castle County, Delaware has 101,989 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $89,750, and an unemployment rate of 4.9%.

New Castle County at a glance

Rippleffekt tracks 101,989 parcels in New Castle County, Delaware. The figures below combine county assessor coverage with federal economic data for the county.

101,989
Parcels tracked
100%
Mapped to location
101,989 parcels
426 sq mi
Land area
239.2 per sq mi
Parcel density
$89,750
Median household income
4.9%
Unemployment rate

Delaware commercial real estate lending

Statewide commercial real estate lending context from FFIEC bank call reports as of 2024-12-31. This reflects the broader Delaware lending environment, not New Castle County alone.

26
Banks reporting
$242.8B
Real estate loans
$55.7B
Nonresidential CRE loans

Go deeper on New Castle County

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Sources: county assessor records, U.S. Census ACS and SAIPE, FFIEC bank call reports, and public tax-lien records. Updated 2026-07-29.