What EPA's radon map says about Pulaski County

Pulaski 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, Pulaski County ranks higher in radon potential than 41% of rated counties (the 41st percentile).

Where Pulaski County sits nationally

About 12,421 people live in Pulaski County, Indiana, spread over 433.678 square miles. Averaged across its land area, Pulaski County runs about 29 people per square mile. Among counties sharing Pulaski County's EPA zone, it outranks 25% of them by population. EPA's geology-based Region 5 groups Pulaski County with 523 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

Pulaski 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). Pulaski County's Zone 2 rating sits in the middle nationally; EPA's guidance is unchanged by that — test every home regardless of its zone.

Next steps for a home in Pulaski County

Mitigation cost doesn't depend on Pulaski County's zone — it depends on the house's foundation. A typical system runs $800–$2,500 (about $1,200 typical), and testing first is what tells you whether that's needed at all.

Find Indiana's state radon program

Pulaski County's test kit answers today; a Airthings radon monitor keeps answering for Pulaski County over time. Affiliate link, RadonZoneCheck earns a commission there, at no extra cost to you. RADONZONE-10OFF at checkout knocks 10% off.

More on how this number was built

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