Logan County, KY radon potential

Logan 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. That puts Logan County in the 50th percentile nationally for radon potential — higher than 50% of the counties EPA has rated.

How Logan County compares

Logan County, Kentucky is home to about 28,467 people across 552.222 square miles. Population density there runs about 52 people per square mile. Within its own EPA zone, Logan County is bigger by population than 52% of the counties that share it. Logan County falls in EPA Radon Region 4, one of 736 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Logan County

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Logan County's Zone 2 prediction lands in the gap between the two. Middle-of-the-pack doesn't mean risk-free for any one Logan County address — a moderate county average still leaves individual homes to test either side of it.

If Logan County tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Kentucky's state radon program

For Logan County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Logan 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 Logan County's figures come from

Logan County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.