Vinton County, OH: EPA's radon zone, explained

Vinton 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 that's the 41st percentile for radon potential — Vinton County outranks 41% of every county EPA has rated.

How Vinton County compares

Vinton County, Ohio is home to about 12,545 people across 412.36 square miles. Averaged across its land area, Vinton County runs about 30 people per square mile. By population, Vinton County is the 774th largest of every county sharing its EPA zone — the 25th percentile by population within that zone. Geologically, Vinton County is grouped into EPA Region 5 alongside 523 other counties that share its rock and soil setting.

Zone vs. an actual test

Neither at the 4 pCi/L action level nor down at the roughly 1.3 pCi/L national indoor norm, Vinton County's Zone 2 prediction lands in the gap between the two. A county-wide moderate average, like Vinton County's, can still hide a specific house well above or below it — testing is what actually answers the question.

Next steps for a home in Vinton County

For a Vinton 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 Ohio's state radon program

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

Every figure on this page traces to EPA's own Map of Radon Zones and Census data, documented in the methodology guide. Whatever zone Vinton County carries, the zone explainer covers what it does and doesn't tell you about any one house.