Okfuskee County, OK: EPA's radon zone, explained
EPA places Okfuskee County in Zone 3 - Low Potential — a predicted county-wide average indoor radon level below 2 pCi/L, based on the geology, soil and aerial radioactivity data behind EPA's national map. That puts Okfuskee County in the 8th percentile nationally for radon potential — higher than 8% of the counties EPA has rated.
Where Okfuskee County sits nationally
Okfuskee County, Oklahoma is home to about 11,364 people across 618.458 square miles. Averaged across its land area, Okfuskee County runs about 18 people per square mile. By population, Okfuskee County is the 784th largest of every county sharing its EPA zone — the 24th percentile by population within that zone. Okfuskee County falls in EPA Radon Region 6, one of 503 counties nationally EPA assigns to that same geologic province.
Zone vs. an actual test
Okfuskee County's Zone 3 prediction undercuts the roughly 1.3 pCi/L most US homes average, nowhere near EPA's 4 pCi/L threshold for recommending mitigation. Low doesn't mean zero: EPA's own data shows homes in Zone 3 counties like Okfuskee County testing above the action level often enough that skipping a test isn't the safe assumption.
Next steps for a home in Okfuskee County
For a Okfuskee County homeowner, the order is simple: test first, since a kit costs a small fraction of what mitigation would. Only if the result clears 4 pCi/L does a system — typically $800–$2,500, about $1,200 for a common install — become worth pricing out.
Find Oklahoma's state radon program
For Okfuskee County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Okfuskee 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 Okfuskee County's figures come from
The methodology guide shows exactly which EPA and Census sources feed Okfuskee County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.