Nassau County, NY Property & Market Data

Nassau County, New York has 211,995 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $141,824, and an unemployment rate of 4.8%.

Nassau County at a glance

Rippleffekt tracks 211,995 parcels in Nassau County, New York. The figures below combine county assessor coverage with federal economic data for the county.

211,995
Parcels tracked
100%
Mapped to location
211,995 parcels
284 sq mi
Land area
745.0 per sq mi
Parcel density
$141,824
Median household income
4.8%
Unemployment rate

New York commercial real estate lending

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

135
Banks reporting
$383.0B
Real estate loans
$108.5B
Nonresidential CRE loans

Go deeper on Nassau 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.