Jackson County, MS Shrink-Swell Risk

Jackson County's SSURGO shrink-swell reading

Low

In Jackson County, MS, 85% of the surveyed soil carries a "Low" shrink-swell rating, 1.75% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Jackson County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Jackson County, MS

Jackson 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.

Jackson County's rank among Mississippi counties

Among the 3,085 rated counties on this site, Jackson County, MS ranks 2,216 most-constrained nationally, and 59 of 82 within Mississippi. The county spans 723 square miles, home to 147,002 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Delaware County, IA and Butler County, PA 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 Mississippi

Every county in Mississippi is on this site, including Monroe County, MS and Stone County, MS. The full underlying dataset is downloadable directly, one row per county.