Is Muskogee County, OK a radon risk area?

EPA's own radon map rates Muskogee County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. That puts Muskogee County in the 24th percentile nationally for radon potential — higher than 24% of the counties EPA has rated.

Muskogee County by the numbers

About 66,752 people live in Muskogee County, Oklahoma, spread over 810.643 square miles. That works out to roughly 82 people per square mile. Rank 280 by population within its EPA zone puts Muskogee County at the 73rd percentile among zone peers. EPA's geology-based Region 6 groups Muskogee County with 502 other counties nationally sharing its underlying rock and soil profile.

Zone vs. an actual test

At Zone 3, Muskogee County's predicted county average is under the national indoor average (~1.3 pCi/L) and well below EPA's 4 pCi/L action level — outdoor air nationally runs about 0.4 pCi/L for comparison. A Zone 3 label describes Muskogee County's average, not any one basement or slab in it — testing is still the only way an individual homeowner actually finds out.

Next steps for a home in Muskogee County

Nothing about Muskogee County's EPA zone changes the mitigation number: $800–$2,500 nationally (around $1,200 typical), set by the house's foundation rather than the county it sits in — and only relevant once a test actually clears 4 pCi/L.

Find Oklahoma's state radon program

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

More on how this number was built

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.