Property Intelligence Report — DeKalb, Illinois

Federal data on flood, climate, radon, air quality and more. Free preview for any address in DeKalb. $49 full report.

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Risk Scorecard

Radon Zone
Zone 1 — High
Predicted average indoor radon screening level >= 4 pCi/L. EPA strongly recommends radon testing and mitigation.
Earthquake Risk
Minimal
3 events in past 10 years, max magnitude 3.6
Current Conditions
62°F
Mostly Cloudy

Quick Stats

100,686
Population
$218,600
Median Home Value
$68,617
Median Income

DeKalb at a Glance

DeKalb is a thriving community of just over 100,000 people anchored by Northern Illinois University, which shapes much of the town's character and economy. The median household income sits at $68,617, and about 60% of properties are owner-occupied, suggesting a stable residential base beyond the transient student population. Home values average $218,600, making it reasonably accessible compared to many Illinois markets while still offering genuine equity-building potential.

The educational profile is notably strong—nearly a third of residents hold bachelor's degrees or higher—which correlates with the university presence and tends to support property values and community amenities over the long term. If you're considering buying here, you should be aware that DeKalb sits in EPA radon Zone 1, which is classified as high potential. This means radon testing and mitigation systems are practically standard practice for most homes, and you'll want to budget accordingly during any inspection. On the positive side, earthquake risk is genuinely minimal, with only three recorded events in the past decade and negligible magnitude.

The overall feel is of a Midwestern college town with real residential stability underneath—diverse enough to keep things interesting, but grounded by homeownership rates and educational attainment that suggest long-term community investment.

Analysis based on federal data from FEMA, EPA, USGS, Census Bureau and NOAA. Generated September 2026.

Current Conditions

Tonight: 62°F — Mostly Cloudy. Wind 5 to 10 mph NE.

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