Knox County, IN Shrink-Swell Risk

Shrink-swell potential in Knox County, IN

Low

Soil across 74% of Knox County, IN comes back "Low" in USDA's shrink-swell data, averaging 2.45% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Knox County, IN - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Knox County: the real numbers

Knox County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

How Knox County, IN compares

Among the 3,085 rated counties on this site, Knox County, IN ranks 1,601 most-constrained nationally, and 64 of 90 within Indiana. Knox County covers 516 square miles and counts 35,872 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Brown County, OH and Rutland County, VT are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in Indiana

Every county in Indiana is on this site, including Jay County, IN and Jackson County, IN. The full underlying dataset is downloadable directly, one row per county.