Crawford County, IN radon potential

EPA's own radon map rates Crawford County zone 2 - moderate potential, predicting a county-wide average indoor level between 2 and 4 pCi/L. Nationally that's the 40th percentile for radon potential — Crawford County outranks 40% of every county EPA has rated.

Where Crawford County sits nationally

Crawford County, Indiana is home to about 10,523 people across 305.613 square miles. Population density there runs about 34 people per square mile. Within its own EPA zone, Crawford County is bigger by population than 22% of the counties that share it. Crawford County falls in EPA Radon Region 5, one of 524 counties nationally EPA assigns to that same geologic province.

Why the zone isn't the answer by itself

EPA's Zone 2 rating for Crawford 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 Crawford County address — a moderate county average still leaves individual homes to test either side of it.

Testing and mitigation in Crawford 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 Indiana's state radon program

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

Where Crawford County's figures come from

Crawford 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.