Bingham County, ID radon potential
EPA's own radon map rates Bingham County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally that's the 55th percentile for radon potential — Bingham County outranks 55% of every county EPA has rated.
Where Bingham County sits nationally
Bingham County, Idaho is home to about 50,889 people across 2,093.732 square miles. Population density there runs about 24 people per square mile. Within its own EPA zone, Bingham County is bigger by population than 67% of the counties that share it. Geologically, Bingham County is grouped into EPA Region 10 alongside 141 other counties that share its rock and soil setting.
Why the zone isn't the answer by itself
EPA's Zone 2 rating for Bingham County sits below its own 4 pCi/L action level but above the national indoor average of about 1.3 pCi/L. Middle-of-the-pack doesn't mean risk-free for any one Bingham County address — a moderate county average still leaves individual homes to test either side of it.
Next steps for a home in Bingham 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 Idaho's state radon program
For Bingham County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Bingham 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 Bingham County's figures come from
Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.