| 1 | Clay County, Mississippi |
| 57% | 40% | Ultisols |
| 2 | Oktibbeha County, Mississippi |
| 55% | 40% | Alfisols |
| 3 | Walthall County, Mississippi |
| 55% | 87% | Ultisols |
| 4 | Noxubee County, Mississippi |
| 54% | 34% | Vertisols |
| 5 | Lowndes County, Mississippi |
| 52% | 54% | Ultisols |
| 6 | Pike County, Mississippi |
| 51% | 80% | Ultisols |
| 7 | Amite County, Mississippi |
| 50% | 81% | Ultisols |
| 8 | Harrison County, Mississippi |
| 45% | 64% | Ultisols |
| 9 | Copiah County, Mississippi |
| 44% | 83% | Alfisols |
| 10 | Lee County, Mississippi |
| 43% | 65% | Ultisols |
| 11 | Covington County, Mississippi |
| 42% | 84% | Ultisols |
| 12 | Pearl River County, Mississippi |
| 41% | 65% | Ultisols |
| 13 | DeSoto County, Mississippi |
| 41% | 61% | Alfisols |
| 14 | Jefferson Davis County, Mississippi |
| 40% | 88% | Ultisols |
| 15 | Union County, Mississippi |
| 40% | 73% | Ultisols |
| 16 | Forrest County, Mississippi |
| 39% | 82% | Ultisols |
| 17 | Hancock County, Mississippi |
| 39% | 45% | Ultisols |
| 18 | Perry County, Mississippi |
| 38% | 83% | Ultisols |
| 19 | Chickasaw County, Mississippi |
| 38% | 39% | Alfisols |
| 20 | Tate County, Mississippi |
| 38% | 67% | Alfisols |
| 21 | Madison County, Mississippi |
| 37% | 89% | Alfisols |
| 22 | Pontotoc County, Mississippi |
| 36% | 58% | Alfisols |
| 23 | Smith County, Mississippi |
| 36% | 79% | Ultisols |
| 24 | Marion County, Mississippi |
| 35% | 81% | Ultisols |
| 25 | Tallahatchie County, Mississippi |
| 35% | 32% | Alfisols |
| 26 | Simpson County, Mississippi |
| 35% | 86% | Ultisols |
| 27 | Franklin County, Mississippi |
| 33% | 85% | Alfisols |
| 28 | Panola County, Mississippi |
| 33% | 51% | Entisols |
| 29 | Scott County, Mississippi |
| 31% | 36% | Alfisols |
| 30 | Hinds County, Mississippi |
| 31% | 93% | Alfisols |
| 31 | Lamar County, Mississippi |
| 31% | 84% | Ultisols |
| 32 | Wayne County, Mississippi |
| 31% | 81% | Ultisols |
| 33 | George County, Mississippi |
| 30% | 64% | Ultisols |
| 34 | Lawrence County, Mississippi |
| 30% | 85% | Alfisols |
| 35 | Jones County, Mississippi |
| 30% | 71% | Ultisols |
| 36 | Monroe County, Mississippi |
| 30% | 51% | Ultisols |
| 37 | Coahoma County, Mississippi |
| 29% | 10% | Alfisols |
| 38 | Jackson County, Mississippi |
| 29% | 38% | Ultisols |
| 39 | Calhoun County, Mississippi |
| 29% | 69% | Inceptisols |
| 40 | Prentiss County, Mississippi |
| 28% | 76% | Ultisols |
| 41 | Leflore County, Mississippi |
| 28% | 20% | Alfisols |
| 42 | Benton County, Mississippi |
| 28% | 88% | Ultisols |
| 43 | Rankin County, Mississippi |
| 28% | 67% | Alfisols |
| 44 | Holmes County, Mississippi |
| 28% | 74% | Alfisols |
| 45 | Lincoln County, Mississippi |
| 28% | 79% | Alfisols |
| 46 | Stone County, Mississippi |
| 27% | 75% | Ultisols |
| 47 | Yazoo County, Mississippi |
| 27% | 58% | Alfisols |
| 48 | Montgomery County, Mississippi |
| 27% | 77% | Ultisols |
| 49 | Webster County, Mississippi |
| 26% | 83% | Alfisols |
| 50 | Attala County, Mississippi |
| 26% | 79% | Ultisols |
| 51 | Greene County, Mississippi |
| 26% | 76% | Ultisols |
| 52 | Grenada County, Mississippi |
| 26% | 47% | Alfisols |
| 53 | Alcorn County, Mississippi |
| 25% | 62% | Ultisols |
| 54 | Lauderdale County, Mississippi |
| 24% | 85% | Ultisols |
| 55 | Itawamba County, Mississippi |
| 24% | 74% | Ultisols |
| 56 | Carroll County, Mississippi |
| 23% | 80% | Alfisols |
| 57 | Choctaw County, Mississippi |
| 23% | 85% | Ultisols |
| 58 | Marshall County, Mississippi |
| 23% | 66% | Alfisols |
| 59 | Claiborne County, Mississippi |
| 22% | 62% | Alfisols |
| 60 | Washington County, Mississippi |
| 21% | 7% | Vertisols |
| 61 | Quitman County, Mississippi |
| 20% | 8% | Alfisols |
| 62 | Tunica County, Mississippi |
| 20% | 8% | Vertisols |
| 63 | Yalobusha County, Mississippi |
| 19% | 86% | Alfisols |
| 64 | Warren County, Mississippi |
| 19% | 49% | Inceptisols |
| 65 | Sunflower County, Mississippi |
| 19% | 4% | Alfisols |
| 66 | Wilkinson County, Mississippi |
| 19% | 82% | Alfisols |
| 67 | Lafayette County, Mississippi |
| 19% | 79% | Ultisols |
| 68 | Jasper County, Mississippi |
| 19% | 72% | Ultisols |
| 69 | Bolivar County, Mississippi |
| 19% | 3% | Vertisols |
| 70 | Tippah County, Mississippi |
| 18% | 52% | Entisols |
| 71 | Tishomingo County, Mississippi |
| 18% | 85% | Ultisols |
| 72 | Sharkey County, Mississippi |
| 18% | 0% | Vertisols |
| 73 | Winston County, Mississippi |
| 17% | 67% | Ultisols |
| 74 | Jefferson County, Mississippi |
| 16% | 85% | Alfisols |
| 75 | Clarke County, Mississippi |
| 16% | 73% | Ultisols |
| 76 | Adams County, Mississippi |
| 16% | 56% | Alfisols |
| 77 | Kemper County, Mississippi |
| 15% | 66% | Ultisols |
| 78 | Leake County, Mississippi |
| 14% | 65% | Ultisols |
| 79 | Neshoba County, Mississippi |
| 12% | 74% | Ultisols |
| 80 | Newton County, Mississippi |
| 12% | 69% | Ultisols |
| 81 | Issaquena County, Mississippi |
| 10% | 1% | Inceptisols |
| 82 | Humphreys County, Mississippi |
| 5% | 1% | Vertisols |