Is Jackson County, WV a radon risk area?
EPA's own radon map rates Jackson County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. That puts Jackson County in the 50th percentile nationally for radon potential — higher than 50% of the counties EPA has rated.
How Jackson County compares
About 27,718 people live in Jackson County, West Virginia, spread over 464.36 square miles. Averaged across its land area, Jackson County runs about 60 people per square mile. Rank 508 by population within its EPA zone puts Jackson County at the 51st percentile among zone peers. EPA's geology-based Region 3 groups Jackson County with 244 other counties nationally sharing its underlying rock and soil profile.
Why the zone isn't the answer by itself
Call it a middle case: above the 1.3 pCi/L most US homes average, below the 4 pCi/L line EPA uses to recommend mitigation — that's Jackson County's Zone 2 prediction. Jackson County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.
Testing and mitigation in Jackson County
Nothing about Jackson County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.
Find West Virginia's state radon program
Jackson County's test kit answers today; a Airthings radon monitor keeps answering for Jackson County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. Code RADONZONE-10OFF takes 10% off at checkout.
More on how this number was built
The methodology guide shows exactly which EPA and Census sources feed Jackson County's numbers. Whatever zone Jackson County carries, the zone explainer covers what it does and doesn't tell you about any one house.