DeKalb County, IL Property & Market Data

DeKalb County, Illinois has 45,380 parcels tracked in the Rippleffekt property database, 100% of them mapped to a precise location, a median household income of $78,556, and an unemployment rate of 7.1%.

DeKalb County at a glance

Rippleffekt tracks 45,380 parcels in DeKalb County, Illinois. The figures below combine county assessor coverage with federal economic data for the county.

45,380
Parcels tracked
100%
Mapped to location
45,378 parcels
631 sq mi
Land area
71.9 per sq mi
Parcel density
$78,556
Median household income
7.1%
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 DeKalb County alone.

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

Go deeper on DeKalb 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.