Baylor County, TX: EPA's radon zone, explained

EPA's own radon map rates Baylor County zone 3 - low potential, predicting a county-wide average indoor level below 2 pCi/L. Rank it against the rest of the country and Baylor County lands in the 2nd percentile for radon potential.

Baylor County by the numbers

Baylor County, Texas is home to about 3,533 people across 867.481 square miles. Averaged across its land area, Baylor County runs about 4 people per square mile. By population, Baylor County is the 966th largest of every county sharing its EPA zone — the 6th percentile by population within that zone. Baylor County falls in EPA Radon Region 6, one of 503 counties nationally EPA assigns to that same geologic province.

What this actually means for a house in Baylor County

Well clear of both the 1.3 pCi/L national indoor average and EPA's 4 pCi/L action level, Baylor County's Zone 3 prediction is the low end of the scale. Even at Zone 3, Baylor County homes are not guaranteed a low reading — zone is a county-wide average, and EPA recommends testing every home regardless of zone.

If Baylor County tests above the action level

For a Baylor 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 Texas's state radon program

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

The methodology guide shows exactly which EPA and Census sources feed Baylor County's numbers. The guide to what a radon zone actually means covers why testing matters in every zone, not just Zone 1.