Lake County, IL Property & Market Data

Lake County, Illinois has 278,866 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $108,137, and an unemployment rate of 5.1%.

Lake County at a glance

Rippleffekt tracks 278,866 parcels in Lake County, Illinois. The figures below combine county assessor coverage with federal economic data for the county.

278,866
Parcels tracked
100%
Mapped to location
278,866 parcels
444 sq mi
Land area
628.5 per sq mi
Parcel density
$108,137
Median household income
5.1%
Unemployment rate

Illinois commercial real estate lending

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

350
Banks reporting
$194.9B
Real estate loans
$80.1B
Nonresidential CRE loans

Go deeper on Lake 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.