Claiborne County, MS radon potential

EPA's own radon map rates Claiborne County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Nationally, Claiborne County ranks higher in radon potential than 5% of rated counties (the 5th percentile).

Claiborne County by the numbers

Claiborne County, Mississippi is home to about 8,122 people across 487.415 square miles. Averaged across its land area, Claiborne County runs about 17 people per square mile. Within its own EPA zone, Claiborne County is bigger by population than 15% of the counties that share it. Geologically, Claiborne County is grouped into EPA Region 4 alongside 735 other counties that share its rock and soil setting.

Zone vs. an actual test

Claiborne County's predicted average sits below the national indoor average of about 1.3 pCi/L, well under EPA's 4 pCi/L action level. Even at Zone 3, Claiborne County homes are not guaranteed a low reading — zone is a county-wide average, and EPA recommends testing every home regardless of zone.

Testing and mitigation in Claiborne County

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 Mississippi's state radon program

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

Where Claiborne County's figures come from

The methodology guide shows exactly which EPA and Census sources feed Claiborne County's numbers. Whatever zone Claiborne County carries, the zone explainer covers what it does and doesn't tell you about any one house.