Jackson County, TX radon potential

EPA places Jackson 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. Nationally, Jackson County ranks higher in radon potential than 10% of rated counties (the 10th percentile).

Where Jackson County sits nationally

Jackson County, Texas is home to about 15,284 people across 829.443 square miles. That works out to roughly 18 people per square mile. Within its own EPA zone, Jackson County is bigger by population than 32% of the counties that share it. EPA's geology-based Region 6 groups Jackson County with 502 other counties nationally sharing its underlying rock and soil profile.

What this actually means for a house in Jackson County

Jackson 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. A Zone 3 rating means Jackson County's county-wide average is predicted low, but EPA is explicit that a meaningful share of homes in low-potential zones still test above the action level — a low zone is not a reason to skip testing.

If Jackson County tests above the action level

A short-term test kit is the standard first step and typically costs far less than mitigation itself. If a test comes back at or above 4 pCi/L, a radon mitigation system for a typical home runs roughly $800–$2,500 (around $1,200 for a common single-family install), driven mainly by foundation type, not by county.

Find Texas's state radon program

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

The methodology guide shows exactly which EPA and Census sources feed Jackson County's numbers. If you're unsure why a low zone still deserves a test, the zone explainer covers that directly.