| Soil texture class | Area (Sq.m) | Area (Sq.km) | Percentage (%) |
| Clay | 5578980.6 | 5.6 | 5.2 |
| Silty clay | 23672742.0 | 23.7 | 22.3 |
| Clay loam | 18296053.7 | 18.3 | 17.2 |
| Sandy loam | 21851973.3 | 21.9 | 20.5 |
| Loam | 36988445.5 | 37.0 | 34.8 |
| Total | 106388195.1 | 106.3 | 100.0 |