Pike County, MO radon potential

Pike 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. Nationally that's the 45th percentile for radon potential — Pike County outranks 45% of every county EPA has rated.

How Pike County compares

Pike County, Missouri is home to about 17,961 people across 670.439 square miles. Population density there runs about 27 people per square mile. Within its own EPA zone, Pike County is bigger by population than 36% of the counties that share it. EPA's geology-based Region 7 groups Pike County with 411 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Pike County

Pike 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 Pike County — EPA recommends it in every zone, moderate included.

Testing and mitigation in Pike 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 Missouri's state radon program

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

Where Pike County's figures come from

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