Property Intelligence Report — Naperville, Illinois

Federal data on flood, climate, radon, air quality and more. Free preview for any address in Naperville. $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
4 events in past 10 years, max magnitude 3.6
Current Conditions
65°F
Partly Cloudy

Quick Stats

696,774
Population
$283,600
Median Home Value
$103,678
Median Income

Naperville at a Glance

Naperville has solidified itself as one of the Chicago suburbs' most desirable addresses, and the numbers reflect that appeal. With a median home value around $283,600 and over 82 percent owner-occupied housing, you're looking at a community where people put down roots. The median household income of roughly $103,600 sits well above national averages, which translates to stable neighborhoods and consistent property appreciation. About a third of residents hold bachelor's degrees or higher, contributing to the area's educated, professional character.

The community's demographic profile suggests strong schools and active civic engagement—exactly what typically drives suburban home values. However, there are a couple of practical considerations for potential buyers. Naperville sits in EPA Radon Zone 1, which means elevated radon levels are common in the area. Any purchase should include radon testing, and many homes here have mitigation systems already installed. On the bright side, earthquake risk is genuinely minimal, with only four recorded events in the past decade and nothing exceeding magnitude 3.6.

For most homebuyers, Naperville delivers the stability and amenities you'd expect from a mature suburban community with real financial substance behind it. Just budget for radon testing as part of your due diligence.

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

Current Conditions

Tonight: 65°F — Partly Cloudy. Wind 5 to 10 mph NE.

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