HomeMississippi

Mississippi soil by county

Across Mississippi's mapped land, shrink-swell clay limits houses without basements on 19% and a shallow water table limits basements on 60%.

Highest clay shares: Humphreys County (86%), Sharkey County (79%), Sunflower County (76%), Issaquena County (69%), Quitman County (69%). Highest water-table shares: Sharkey County (96%), Sunflower County (92%), Humphreys County (92%), Quitman County (91%), Hancock County (90%).

Data as of September 22, 2026 · 82 counties

Adams County: 9%Alcorn County: 2%Amite County: 2%Attala County: 1%Benton County: 0%Bolivar County: 63%Calhoun County: 11%Carroll County: 3%Chickasaw County: 31%Choctaw County: 12%Claiborne County: 1%Clarke County: 15%Clay County: 46%Coahoma County: 48%Copiah County: 14%Covington County: 5%DeSoto County: 3%Forrest County: 8%Franklin County: 10%George County: 10%Greene County: 21%Grenada County: 4%Hancock County: 2%Harrison County: 1%Hinds County: 2%Holmes County: 14%Humphreys County: 86%Issaquena County: 69%Itawamba County: 2%Jackson County: 0%Jasper County: 15%Jefferson County: 11%Jefferson Davis County: 6%Jones County: 7%Kemper County: 27%Lafayette County: 14%Lamar County: 8%Lauderdale County: 8%Lawrence County: 11%Leake County: 1%Lee County: 28%Leflore County: 61%Lincoln County: 1%Lowndes County: 41%Madison County: 1%Marion County: 3%Marshall County: 2%Monroe County: 28%Montgomery County: 1%Neshoba County: 2%Newton County: 10%Noxubee County: 60%Oktibbeha County: 43%Panola County: 5%Pearl River County: 3%Perry County: 12%Pike County: 0%Pontotoc County: 30%Prentiss County: 15%Quitman County: 69%Rankin County: 20%Scott County: 37%Sharkey County: 79%Simpson County: 8%Smith County: 6%Stone County: 10%Sunflower County: 76%Tallahatchie County: 35%Tate County: 2%Tippah County: 14%Tishomingo County: 0%Tunica County: 68%Union County: 9%Walthall County: 0%Warren County: 19%Washington County: 65%Wayne County: 15%Webster County: 13%Wilkinson County: 20%Winston County: 9%Yalobusha County: 2%Yazoo County: 23%
Expansive clay: share of mapped land where shrink-swell clay limits houses without basementsunder 10%10-25%25-40%40-60%60%+
Adams County: 27%Alcorn County: 63%Amite County: 67%Attala County: 57%Benton County: 37%Bolivar County: 86%Calhoun County: 69%Carroll County: 52%Chickasaw County: 86%Choctaw County: 53%Claiborne County: 35%Clarke County: 46%Clay County: 83%Coahoma County: 75%Copiah County: 63%Covington County: 45%DeSoto County: 66%Forrest County: 34%Franklin County: 45%George County: 33%Greene County: 47%Grenada County: 53%Hancock County: 90%Harrison County: 76%Hinds County: 65%Holmes County: 57%Humphreys County: 92%Issaquena County: 84%Itawamba County: 42%Jackson County: 69%Jasper County: 48%Jefferson County: 34%Jefferson Davis County: 37%Jones County: 56%Kemper County: 58%Lafayette County: 33%Lamar County: 38%Lauderdale County: 31%Lawrence County: 45%Leake County: 62%Lee County: 61%Leflore County: 79%Lincoln County: 69%Lowndes County: 66%Madison County: 84%Marion County: 37%Marshall County: 56%Monroe County: 72%Montgomery County: 61%Neshoba County: 46%Newton County: 47%Noxubee County: 80%Oktibbeha County: 80%Panola County: 64%Pearl River County: 59%Perry County: 37%Pike County: 71%Pontotoc County: 77%Prentiss County: 49%Quitman County: 91%Rankin County: 77%Scott County: 87%Sharkey County: 96%Simpson County: 47%Smith County: 48%Stone County: 33%Sunflower County: 92%Tallahatchie County: 69%Tate County: 59%Tippah County: 49%Tishomingo County: 28%Tunica County: 81%Union County: 50%Walthall County: 49%Warren County: 49%Washington County: 88%Wayne County: 40%Webster County: 71%Wilkinson County: 45%Winston County: 55%Yalobusha County: 55%Yazoo County: 71%
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 Mississippi

Select a column heading to sort.
Adams County 9% 27% 100% 10 1972
Alcorn County 2% 63% 100% 3 1981
Amite County 2% 67% 100% 1 1985
Attala County 1% 57% 23% 5 1981
Benton County 0% 37% 100% 0 1985
Bolivar County 63% 86% 100% 88 1977
Calhoun County 11% 69% 98% 9 1980
Carroll County 3% 52% 100% 5 1985
Chickasaw County 31% 86% 47% 1 1978
Choctaw County 12% 53% 63% 4 1980
Claiborne County 1% 35% 100% 15 1982
Clarke County 15% 46% 16% 21 1984
Clay County 46% 83% 99% 34 1983
Coahoma County 48% 75% 100% 68 1970
Copiah County 14% 63% 100% 7 1985
Covington County 5% 45% 100% 10 1989
DeSoto County 3% 66% 100% 39 1999
Forrest County 8% 34% 100% 165 1982
Franklin County 10% 45% 100% 1 1981
George County 10% 33% 100% 12 1989
Greene County 21% 47% 100% 8 1987
Grenada County 4% 53% 100% 9 1983
Hancock County 2% 90% 0% 568 1999
Harrison County 1% 76% 1% 1,114 1994
Hinds County 2% 65% 100% 446 1974
Holmes County 14% 57% 100% 9 1982
Humphreys County 86% 92% 100% 26 1977
Issaquena County 69% 84% 100% 26 1983
Itawamba County 2% 42% 36% 0 1984
Jackson County 0% 69% 71% 878 1984
Jasper County 15% 48% 16% 0 1989
Jefferson County 11% 34% 100% 1 1986
Jefferson Davis County 6% 37% 100% 1 1986
Jones County 7% 56% 100% 52 1981
Kemper County 27% 58% 0% 0 1979
Lafayette County 14% 33% 100% 7 2000
Lamar County 8% 38% 100% 46 1999
Lauderdale County 8% 31% 0% 44 1979
Lawrence County 11% 45% 100% 6 1982
Leake County 1% 62% 0% 8 1982
Lee County 28% 61% 67% 47 1988
Leflore County 61% 79% 100% 80 1973
Lincoln County 1% 69% 100% 8 1984
Lowndes County 41% 66% 50% 67 1981
Madison County 1% 84% 37% 156 1997
Marion County 3% 37% 100% 76 1980
Marshall County 2% 56% 100% 3 1992
Monroe County 28% 72% 47% 15 1982
Montgomery County 1% 61% 72% 0 1983
Neshoba County 2% 46% 0% 1 1985
Newton County 10% 47% 0% 0 1982
Noxubee County 60% 80% 29% 6 1980
Oktibbeha County 43% 80% 100% 12 1993
Panola County 5% 64% 100% 15 1988
Pearl River County 3% 59% 39% 124 1990
Perry County 12% 37% 100% 37 1993
Pike County 0% 71% 100% 13 1984
Pontotoc County 30% 77% 100% 1 1989
Prentiss County 15% 49% 100% 0 1981
Quitman County 69% 91% 100% 24 1972
Rankin County 20% 77% 76% 247 1995
Scott County 37% 87% 5% 17 1989
Sharkey County 79% 96% 100% 25 1977
Simpson County 8% 47% 100% 9 1986
Smith County 6% 48% 55% 1 1986
Stone County 10% 33% 44% 33 1996
Sunflower County 76% 92% 100% 36 1977
Tallahatchie County 35% 69% 100% 12 1978
Tate County 2% 59% 100% 13 1992
Tippah County 14% 49% 100% 0 1985
Tishomingo County 0% 28% 100% 2 1981
Tunica County 68% 81% 100% 7 1994
Union County 9% 50% 100% 1 1985
Walthall County under 1% 49% 100% 31 1982
Warren County 19% 49% 100% 199 1978
Washington County 65% 88% 100% 364 1973
Wayne County 15% 40% 100% 10 1985
Webster County 13% 71% 40% 0 1983
Wilkinson County 20% 45% 100% 100 1980
Winston County 9% 55% 32% 8 1978
Yalobusha County 2% 55% 100% 4 1981
Yazoo County 23% 71% 98% 55 1982

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.