HomeSoil seriesKokomo
Kokomo soil series
Kokomo soils cover 372,411 mapped acres, almost all of them in Ohio. USDA rates shrink-swell a limit for houses without basements on 96% of that land, and a shallow water table a limit for basements on 98%.
It is the leading soil series by area in 10 of the counties and cities on this site, including Madison County, OH; Pickaway County, OH.
SSURGO survey versions to August 5, 2026 · series description revised 2021-11
of its land: shrink-swell limits houses without basements
of its land: a shallow water table limits basements
median highest linear extensibility (6% and up is high)
median highest clay content in the top 150 cm
USDA's description
The Kokomo series consists of very deep, very poorly drained soils that formed in loamy materials overlying till. Kokomo soils are in depressions on till plains. Slope ranges from 0 to 2 percent. Mean annual precipitation is about 1016 mm (40 inches), and mean annual temperature is about 10.6 degrees C (51 degrees F).
Source: USDA NRCS series description (OSD) for Kokomo, revised 2021-11. Read it.
Engineering properties
| Mapped area (SSURGO) | 372,411 acres |
| Shrink-swell limits houses without basements | 95.8% |
| Shallow water table limits basements | 98.2% |
| Very limited for septic absorption fields | 98.0% |
| Most common drainage class | Very poorly drained |
| Most common hydrologic soil group | C/D |
| Taxonomic class | Fine, mixed, superactive, mesic Typic Argiaquolls |
| Type location | Howard County, Indiana |
Where Kokomo is mapped
| State | Mapped acres |
|---|---|
| Ohio | 358,329 |
| Indiana | 9,120 |
| Michigan | 4,963 |
Places where Kokomo leads
Counties and cities where Kokomo covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| Sabina, OH | 39% |
| West Jefferson, OH | 37% |
| London, OH | 34% |
| South Solon, OH | 34% |
| Madison County, OH | 34% |
| South Vienna, OH | 31% |
| Dublin, OH | 24% |
| Plain City, OH | 24% |
| Williamsport, OH | 22% |
| Pickaway County, OH | 18% |
Other places where Kokomo is a main soil
Counties and cities where Kokomo is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Counties
- Preble County, OH 15%
- Clark County, OH 14%
- Franklin County, OH 12%
- Clinton County, OH 5%
- Fayette County, OH 4%
Texas and Ohio cities
- Hilliard, OH 33%
- Mount Sterling, OH 28%
- Verona, OH 26%
- West Manchester, OH 24%
- Stoutsville, OH 21%
- Eldorado, OH 20%
- Urbancrest, OH 20%
- Grove City, OH 19%
- Eaton, OH 18%
- Ashville, OH 18%
- West Alexandria, OH 17%
- South Charleston, OH 15%
- Canal Winchester, OH 15%
- New Holland, OH 14%
- Commercial Point, OH 12%
- Obetz, OH 11%
- North Hampton, OH 11%
- Clarksburg, OH 11%
- Catawba, OH 10%
- Kingston, OH 8%
- Columbus, OH 8%
- Groveport, OH 8%
- Frankfort, OH 7%
- Gratis, OH 6%
- Pitsburg, OH 5%
- Upper Arlington, OH 4%
- Springfield, OH 4%
- Circleville, OH 4%
- Bradford, OH 4%
- Enon, OH 4%
- Phillipsburg, OH 3%
- St. Paris, OH 3%
- Laura, OH 3%
- Arcanum, OH 3%
- Fletcher, OH 3%
- Christiansburg, OH 3%
- Brookville, OH 3%
- Donnelsville, OH 3%
- New Lebanon, OH 3%
- Valleyview, OH 3%
- Ansonia, OH 3%
- Gordon, OH 3%
- Washington Court House, OH 2%
- Jeffersonville, OH 2%
- Bowersville, OH 2%
- Clayton, OH 2%
- Marble Cliff, OH 2%
- Farmersville, OH 2%
- Grandview Heights, OH 2%
- Woodstock, OH 2%
- Oakwood (Montgomery County), OH 1%
- Hollansburg, OH 1%
Sources
Shares and properties: USDA NRCS SSURGO via Soil Data Access, weighted by each component's share of its map units. Description: the USDA NRCS series description. How we count.