Wexford County, MI: EPA's radon zone, explained

Wexford County is mapped as Zone 3 - Low Potential by EPA — meaning the county-wide average indoor level is predicted below 2 pCi/L. Rank it against the rest of the country and Wexford County lands in the 19th percentile for radon potential.

How Wexford County compares

Wexford County, Michigan is home to about 34,460 people across 564.924 square miles. Averaged across its land area, Wexford County runs about 61 people per square mile. By population, Wexford County is the 442nd largest of every county sharing its EPA zone — the 57th percentile by population within that zone. Geologically, Wexford County is grouped into EPA Region 5 alongside 523 other counties that share its rock and soil setting.

Zone vs. an actual test

Wexford County's predicted average sits below the national indoor average of about 1.3 pCi/L, well under EPA's 4 pCi/L action level. A Zone 3 label describes Wexford 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 Wexford County

For a Wexford 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 Michigan's state radon program

For Wexford County, an ongoing number beats a one-time test - a Airthings radon monitor tracks Wexford 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 Wexford County's figures come from

Wexford County's zone, rank and region all trace back to named EPA and Census sources — the methodology guide lists exactly which ones. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.