Wilkin County, MN Shrink-Swell Risk
Shrink-swell potential in Wilkin County, MN
Moderate
Soil across 52.4% of Wilkin County, MN comes back "Moderate" in USDA's shrink-swell data, averaging 3.53% linear extensibility. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Wilkin County, MN - 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).
Wilkin County: the real numbers
Wilkin 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 Wilkin County, MN compares
Among the 3,085 rated counties on this site, Wilkin County, MN ranks 827 most-constrained nationally, and 17 of 87 within Minnesota. Wilkin County, MN is 751 square miles with a population of 6,268.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Knox County, TN and Dundy County, NE 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 Minnesota
Every county in Minnesota is on this site, including Polk County, MN and Rock County, MN. The full underlying dataset is downloadable directly, one row per county.