Elliott County, KY: EPA's radon zone, explained

Elliott County is mapped as Zone 2 - Moderate Potential by EPA — meaning the county-wide average indoor level is predicted between 2 and 4 pCi/L. Elliott County sits at the 37th percentile nationally for radon potential — above 37 of every 100 rated counties.

How Elliott County compares

Elliott County, Kentucky is home to about 7,263 people across 234.321 square miles. Averaged across its land area, Elliott County runs about 31 people per square mile. By population, Elliott County is the 895th largest of every county sharing its EPA zone — the 13th percentile by population within that zone. EPA's geology-based Region 4 groups Elliott County with 735 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Elliott County

Elliott County's predicted average falls between EPA's 4 pCi/L action level and the national indoor average of about 1.3 pCi/L (outdoor air runs roughly 0.4 pCi/L). Nothing about a Zone 2 label lowers the case for testing in Elliott County — EPA recommends it in every zone, moderate included.

If Elliott County tests above the action level

For a Elliott County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.

Find Kentucky's state radon program

For Elliott County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Elliott County's levels over time. RadonZoneCheck earns a commission there, at no extra cost to you. Use code RADONZONE-10OFF at checkout for 10% off.

Where Elliott County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Elliott County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.