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Missouri soil by county

Across Missouri's mapped land, shrink-swell clay limits houses without basements on 38% and a shallow water table limits basements on 59%.

Highest clay shares: Audrain County (90%), Shelby County (87%), Monroe County (84%), Linn County (83%), Randolph County (83%). Highest water-table shares: Linn County (99%), Audrain County (98%), Livingston County (98%), Caldwell County (96%), Macon County (95%).

Data as of September 22, 2026 · 115 counties

Adair County: 68%Andrew County: 48%Atchison County: 30%Audrain County: 90%Barry County: 9%Barton County: 54%Bates County: 70%Benton County: 41%Bollinger County: 4%Boone County: 71%Buchanan County: 28%Butler County: 8%Caldwell County: 79%Callaway County: 54%Camden County: 34%Cape Girardeau County: 3%Carroll County: 72%Carter County: 2%Cass County: 68%Cedar County: 11%Chariton County: 66%Christian County: 10%Clark County: 58%Clay County: 61%Clinton County: 78%Cole County: 14%Cooper County: 37%Crawford County: 15%Dade County: 17%Dallas County: 22%Daviess County: 79%DeKalb County: 78%Dent County: 1%Douglas County: 18%Dunklin County: 29%Franklin County: 14%Gasconade County: 37%Gentry County: 68%Greene County: 9%Grundy County: 75%Harrison County: 66%Henry County: 34%Hickory County: 51%Holt County: 30%Howard County: 35%Howell County: 7%Iron County: 8%Jackson County: 36%Jasper County: 35%Jefferson County: 37%Johnson County: 41%Knox County: 81%Laclede County: 14%Lafayette County: 25%Lawrence County: 8%Lewis County: 63%Lincoln County: 64%Linn County: 83%Livingston County: 76%Macon County: 80%Madison County: 6%Maries County: 29%Marion County: 53%McDonald County: 2%Mercer County: 79%Miller County: 23%Mississippi County: 33%Moniteau County: 23%Monroe County: 84%Montgomery County: 67%Morgan County: 28%New Madrid County: 35%Newton County: 6%Nodaway County: 79%Oregon County: 11%Osage County: 29%Ozark County: 36%Pemiscot County: 41%Perry County: 19%Pettis County: 68%Phelps County: 15%Pike County: 45%Platte County: 30%Polk County: 24%Pulaski County: 9%Putnam County: 76%Ralls County: 56%Randolph County: 83%Ray County: 71%Reynolds County: 7%Ripley County: 16%Saline County: 44%Schuyler County: 72%Scotland County: 70%Scott County: 16%Shannon County: 10%Shelby County: 87%St. Charles County: 41%St. Clair County: 23%St. Francois County: 15%St. Louis city: 1%St. Louis County: 5%Ste. Genevieve County: 16%Stoddard County: 21%Stone County: 8%Sullivan County: 82%Taney County: 23%Texas County: 15%Vernon County: 54%Warren County: 52%Washington County: 27%Wayne County: 5%Webster County: 20%Worth County: 41%Wright County: 5%
Expansive clay: share of mapped land where shrink-swell clay limits houses without basementsunder 10%10-25%25-40%40-60%60%+
Adair County: 95%Andrew County: 58%Atchison County: 36%Audrain County: 98%Barry County: 44%Barton County: 69%Bates County: 75%Benton County: 28%Bollinger County: 56%Boone County: 78%Buchanan County: 40%Butler County: 70%Caldwell County: 96%Callaway County: 63%Camden County: 22%Cape Girardeau County: 24%Carroll County: 88%Carter County: 18%Cass County: 80%Cedar County: 49%Chariton County: 88%Christian County: 42%Clark County: 78%Clay County: 75%Clinton County: 77%Cole County: 69%Cooper County: 66%Crawford County: 34%Dade County: 45%Dallas County: 66%Daviess County: 87%DeKalb County: 83%Dent County: 44%Douglas County: 48%Dunklin County: 73%Franklin County: 61%Gasconade County: 76%Gentry County: 71%Greene County: 49%Grundy County: 78%Harrison County: 68%Henry County: 60%Hickory County: 26%Holt County: 41%Howard County: 59%Howell County: 36%Iron County: 42%Jackson County: 50%Jasper County: 48%Jefferson County: 34%Johnson County: 79%Knox County: 85%Laclede County: 55%Lafayette County: 64%Lawrence County: 68%Lewis County: 81%Lincoln County: 55%Linn County: 99%Livingston County: 98%Macon County: 95%Madison County: 38%Maries County: 70%Marion County: 69%McDonald County: 29%Mercer County: 62%Miller County: 44%Mississippi County: 85%Moniteau County: 80%Monroe County: 85%Montgomery County: 76%Morgan County: 46%New Madrid County: 84%Newton County: 65%Nodaway County: 62%Oregon County: 33%Osage County: 70%Ozark County: 43%Pemiscot County: 89%Perry County: 32%Pettis County: 76%Phelps County: 53%Pike County: 69%Platte County: 57%Polk County: 59%Pulaski County: 41%Putnam County: 74%Ralls County: 75%Randolph County: 85%Ray County: 84%Reynolds County: 22%Ripley County: 33%Saline County: 69%Schuyler County: 84%Scotland County: 76%Scott County: 58%Shannon County: 29%Shelby County: 91%St. Charles County: 62%St. Clair County: 33%St. Francois County: 40%St. Louis city: 32%St. Louis County: 37%Ste. Genevieve County: 34%Stoddard County: 87%Stone County: 17%Sullivan County: 61%Taney County: 43%Texas County: 55%Vernon County: 63%Warren County: 59%Washington County: 25%Wayne County: 32%Webster County: 68%Worth County: 58%Wright County: 47%
High water table: share of mapped land where a shallow water table limits basementsunder 10%10-25%25-40%40-60%60%+

Every county in Missouri

Select a column heading to sort.
Adair County 68% 95% 0% 9 1973
Andrew County 48% 58% 0% 37 1980
Atchison County 30% 36% 0% 21 1957
Audrain County 90% 98% 47% 2 1970
Barry County 9% 44% 100% 5 1986
Barton County 54% 69% 100% 1 1974
Bates County 70% 75% 16% 8 1976
Benton County 41% 28% 52% 2 1985
Bollinger County 4% 56% 0% 10 1982
Boone County 71% 78% 0% 21 1991
Buchanan County 28% 40% 0% 153 1964
Butler County 8% 70% 59% 92 1981
Caldwell County 79% 96% 0% 0 1974
Callaway County 54% 63% 0% 28 1987
Camden County 34% 22% 96% 13 1988
Cape Girardeau County 3% 24% 0% 29 1982
Carroll County 72% 88% 0% 40 1961
Carter County 2% 18% 99% 33 1983
Cass County 68% 80% 0% 81 1992
Cedar County 11% 49% 100% 0 1980
Chariton County 66% 88% 0% 15 1968
Christian County 10% 42% 100% 20 1999
Clark County 58% 78% 0% 30 1970
Clay County 61% 75% 0% 63 1987
Clinton County 78% 77% 0% 1 1978
Cole County 14% 69% 0% 68 1982
Cooper County 37% 66% 0% 1 1974
Crawford County 15% 34% 0% 47 1981
Dade County 17% 45% 100% 0 1972
Dallas County 22% 66% 100% 1 1981
Daviess County 79% 87% 0% 3 1977
DeKalb County 78% 83% 0% 0 1982
Dent County 1% 44% 35% 1 1978
Douglas County 18% 48% 100% 0 1987
Dunklin County 29% 73% 70% 12 1972
Franklin County 14% 61% 0% 181 1984
Gasconade County 37% 76% 0% 68 1976
Gentry County 68% 71% 0% 2 1971
Greene County 9% 49% 100% 37 1982
Grundy County 75% 78% 0% 2 1963
Harrison County 66% 68% 0% 1 1966
Henry County 34% 60% 36% 0 1978
Hickory County 51% 26% 100% 0 1983
Holt County 30% 41% 0% 266 1965
Howard County 35% 59% 0% 11 1974
Howell County 7% 36% 100% 50 1982
Iron County 8% 42% 0% 9 1974
Jackson County 36% 50% 0% 208 1970
Jasper County 35% 48% 100% 54 1986
Jefferson County 37% 34% 0% 382 1987
Johnson County 41% 79% 0% 13 1990
Knox County 81% 85% 0% 0 1965
Laclede County 14% 55% 100% 3 1984
Lafayette County 25% 64% 0% 0 1975
Lawrence County 8% 68% 100% 20 1979
Lewis County 63% 81% 0% 14 1969
Lincoln County 64% 55% 0% 322 1997
Linn County 83% 99% 0% 3 1964
Livingston County 76% 98% 0% 4 1968
Macon County 80% 95% 0% 0 1972
Madison County 6% 38% 0% 10 1977
Maries County 29% 70% 6% 17 1985
Marion County 53% 69% 0% 20 1971
McDonald County 2% 29% 100% 172 1988
Mercer County 79% 62% 0% 0 1970
Miller County 23% 44% 19% 1 1985
Mississippi County 33% 85% 0% 4 1973
Moniteau County 23% 80% 0% 1 1979
Monroe County 84% 85% 42% 0 1976
Montgomery County 67% 76% 2% 2 1978
Morgan County 28% 46% 2% 3 1983
New Madrid County 35% 84% 0% 20 1975
Newton County 6% 65% 100% 102 1984
Nodaway County 79% 62% 0% 1 1977
Oregon County 11% 33% 100% 2 1978
Osage County 29% 70% 0% 25 1982
Ozark County 36% 43% 100% 4 1980
Pemiscot County 41% 89% 49% 7 1973
Perry County 19% 32% 0% 7 1978
Pettis County 68% 76% 0% 10 1974
Phelps County 15% 53% 60% 38 1984
Pike County 45% 69% 34% 142 1971
Platte County 30% 57% 0% 44 1992
Polk County 24% 59% 100% 3 1987
Pulaski County 9% 41% 100% 54 1994
Putnam County 76% 74% 0% 1 1976
Ralls County 56% 75% 26% 7 1980
Randolph County 83% 85% 0% 0 1974
Ray County 71% 84% 0% 6 1974
Reynolds County 7% 22% 9% 30 1975
Ripley County 16% 33% 100% 77 1983
Saline County 44% 69% 0% 2 1970
Schuyler County 72% 84% 0% 0 1964
Scotland County 70% 76% 0% 0 1971
Scott County 16% 58% 0% 50 1976
Shannon County 10% 29% 83% 3 1980
Shelby County 87% 91% 0% 0 1971
St. Charles County 41% 62% 0% 823 1994
St. Clair County 23% 33% 100% 0 1979
St. Francois County 15% 40% 0% 26 1983
St. Louis County 5% 37% 0% 1,291 1969
St. Louis city 1% 32% 0% 42 1939
Ste. Genevieve County 16% 34% 0% 14 1981
Stoddard County 21% 87% 0% 11 1976
Stone County 8% 17% 100% 21 1992
Sullivan County 82% 61% 0% 0 1965
Taney County 23% 43% 100% 72 1995
Texas County 15% 55% 100% 0 1979
Vernon County 54% 63% 98% 4 1976
Warren County 52% 59% 0% 5 1998
Washington County 27% 25% 0% 0 1985
Wayne County 5% 32% 0% 16 1980
Webster County 20% 68% 100% 4 1991
Worth County 41% 58% 0% 0 1961
Wright County 5% 47% 100% 2 1978

How these shares are counted

Shares are of mapped land in USDA's soil survey (SSURGO), weighted by each soil's share of every map unit. Drought is the US Drought Monitor's D1-or-worse share on the September 22, 2026 map. Flood losses are FEMA NFIP records since 2016. Sources and methods.