Arkansas Soil Data
Soil data for 75 counties
The most common soil order across Arkansas's 75 counties is Ultisols. County-level average pH ranges from 5.1 to 6.4, reflecting the state's diverse geology and land use. Approximately 3% of counties report poor or very poor drainage as the dominant class, which can affect crop selection and land management decisions.
Counties in Arkansas
| County | Dominant Texture | Avg pH | Drainage | Soil Order |
|---|---|---|---|---|
| Arkansas County | Silt loam | 5.8 | Moderately well drained | Alfisols |
| Ashley County | Fine sandy loam | 5.5 | Well drained | Ultisols |
| Baxter County | Loam | 5.4 | N/A | N/A |
| Benton County | Loam | 5.6 | Moderately well drained | Ultisols |
| Boone County | Loam | 5.3 | Subaqueous | N/A |
| Bradley County | Silty clay loam | 5.3 | Somewhat poorly drained | Alfisols |
| Calhoun County | Unknown | N/A | N/A | N/A |
| Carroll County | Loam | 5.2 | Subaqueous | N/A |
| Chicot County | Silt Loam | 5.9 | N/A | N/A |
| Clark County | Loam | 5.6 | N/A | N/A |
| Clay County | Silt loam | 5.7 | Well drained | Ultisols |
| Cleburne County | Loam | 5.3 | Moderately well drained | Ultisols |
| Cleveland County | Loam | 5.3 | N/A | N/A |
| Columbia County | Fine sandy loam | 5.3 | Moderately well drained | Ultisols |
| Conway County | Fine sandy loam | 5.8 | Moderately well drained | Ultisols |
| Craighead County | Silt Loam | 5.8 | N/A | N/A |
| Crawford County | Loam | 5.6 | N/A | N/A |
| Crittenden County | Clay Loam | 6.4 | N/A | N/A |
| Cross County | Silt Loam | 5.7 | N/A | N/A |
| Dallas County | Unknown | N/A | N/A | N/A |
| Desha County | Silty Clay Loam | 6.3 | N/A | N/A |
| Drew County | Silt Loam | 5.4 | N/A | N/A |
| Faulkner County | Silty clay loam | 5.7 | Well drained | Alfisols |
| Franklin County | Stony fine sandy loam | 5.4 | Well drained | Ultisols |
| Fulton County | Gravelly fine sandy loam | 5.6 | Well drained | Ultisols |
| Garland County | Very gravelly silt loam | 5.3 | Well drained | Ultisols |
| Grant County | Loam | 5.1 | N/A | N/A |
| Greene County | Silt Loam | 5.8 | N/A | N/A |
| Hempstead County | Fine sand | 5.8 | Somewhat excessively drained | Entisols |
| Hot Spring County | Loam | 5.4 | N/A | N/A |
| Howard County | Loam | 5.6 | N/A | N/A |
| Independence County | Loam | 5.4 | Subaqueous | N/A |
| Izard County | Loam | 5.5 | N/A | N/A |
| Jackson County | Stony silt loam | 5.6 | Well drained | Ultisols |
| Jefferson County | Unknown | N/A | N/A | N/A |
| Johnson County | Fine sandy loam | 5.4 | Moderately well drained | Ultisols |
| Lafayette County | Unknown | N/A | N/A | N/A |
| Lawrence County | Loam | 5.6 | Subaqueous | N/A |
| Lee County | Silt Loam | 6.1 | N/A | N/A |
| Lincoln County | Unknown | N/A | N/A | N/A |
| Little River County | Unknown | N/A | N/A | N/A |
| Logan County | Loam | 5.6 | N/A | N/A |
| Lonoke County | Unknown | N/A | N/A | N/A |
| Madison County | Loam | 5.3 | Well drained | Ultisols |
| Marion County | Loam | 5.4 | N/A | N/A |
| Miller County | Unknown | N/A | N/A | N/A |
| Mississippi County | Loam | 6.3 | N/A | N/A |
| Monroe County | Silt loam | 5.7 | Moderately well drained | Alfisols |
| Montgomery County | Loam | 5.4 | N/A | N/A |
| Nevada County | Silty clay loam | 5.3 | Somewhat poorly drained | Vertisols |
| Newton County | Loam | 5.2 | N/A | N/A |
| Ouachita County | Loamy sand | 5.2 | Somewhat excessively drained | Entisols |
| Perry County | Loam | 5.5 | Well drained | Ultisols |
| Phillips County | Silt Loam | 6.1 | N/A | N/A |
| Pike County | Stony loam | 5.5 | Well drained | Alfisols |
| Poinsett County | Silt loam | 5.8 | Well drained | Ultisols |
| Polk County | Loam | 5.4 | N/A | N/A |
| Pope County | Fine sandy loam | 5.5 | Moderately well drained | Ultisols |
| Prairie County | Unknown | N/A | N/A | N/A |
| Pulaski County | Loam | 5.6 | N/A | N/A |
| Randolph County | Gravelly fine sandy loam | 5.7 | Well drained | Ultisols |
| Saline County | Loam | 5.2 | Well drained | Ultisols |
| Scott County | Loam | 5.4 | N/A | N/A |
| Searcy County | Loam | 5.5 | Subaqueous | N/A |
| Sebastian County | Fine sandy loam | 5.7 | Moderately well drained | Ultisols |
| Sevier County | Loam | 5.5 | N/A | N/A |
| Sharp County | Silt loam | 5.6 | Well drained | Mollisols |
| St. Francis County | Silt Loam | 5.7 | N/A | N/A |
| Stone County | Sandy loam | 5.5 | Well drained | Ultisols |
| Union County | Sandy Loam | 5.1 | N/A | N/A |
| Van Buren County | Loam | 5.4 | Moderately well drained | Ultisols |
| Washington County | Loam | 5.5 | Subaqueous | N/A |
| White County | Fine sandy loam | 5.4 | Well drained | Ultisols |
| Woodruff County | Silt Loam | 5.8 | N/A | N/A |
| Yell County | Fine sandy loam | 5.6 | Moderately well drained | Alfisols |