Sinkhole risk in Cherokee County, TX: Not karst, but voids possible

Not karst, but voids possible

No soluble bedrock; some pseudokarst (piping or lava-tube ground).

On soluble rock: 0%
At or near the surface: 0%
Buried under cover: 0%

The next step for one property

Not true karst, but soil piping or lava tubes can still open voids - mention it to an inspector.

Across 1,053 square miles, under one square mile of Cherokee County maps onto soluble rock. With about 53,223 residents (51 per square mile), much of the land is open, and the mapped rock may sit far from where people actually live. The figures come from 253 map points about 2.0 miles apart, so a pocket smaller than that can be missed or overstated.

Two things to read before deciding: why gypsum and salt move faster than limestone, and how ground with no limestone still opens up.

Counties around Cherokee County

The nearest county rated sinkhole country is Baylor County, TX, about 265 miles northwest. 6 of the 6 closest counties land in the same band, so this is a regional pattern rather than a local quirk.

Anderson County, TX 30 mi west · 0% at surface
Rusk County, TX 30 mi northeast · 0% at surface
Nacogdoches County, TX 35 mi southeast · 0% at surface
Smith County, TX 37 mi north · 0% at surface
Houston County, TX 39 mi southwest · 0% at surface
Henderson County, TX 48 mi northwest · 0% at surface

Against the rest of Texas

Cherokee County ranks 166 of 254 in Texas for soluble rock at the surface, and sits above 0% of US counties on that measure.