Total population (1990 census): 20293
County seat: Barnwell
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 79 | 7739 | 627466 bu | |
| Wheat | 42 | 4309 | 154619 bu | |
| Oats | 11 | 191 | 10980 bu | |
| Rye | 9 | 359 | 7650 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 63 | 7742 | 167750 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 59 | 2069 | 5050 tons, dry | |
| Small Grain Hay | 11 | 161 | 254 tons, dry | |
| Tame Hay | 46 | 1534 | 4073 tons, dry | |
| Wild Hay | 3 | 261 | D | |
| Vegetables | Farms | Acres | Yield | |
| Cantaloupes | 38 | 334 | ||
| Green Cowpeas and Green Southern Peas | 3 | D | ||
| Green Peas | 4 | 16 | ||
| Sweetpotatoes | 3 | 12 | 1100 bu | |
| Sweet Corn | 5 | 27 | ||
| Watermelons | 61 | 892 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Peanuts | 18 | 1545 | 5331508 lbs | |
| Pecans | 11 | 263 | 2139 in shell | |
| Other Crops | Farms | Acres | Yield | |
| Cotton | 33 | 6718 | 8739 bales | |
| Nursery and Greenhouse Crops, Cut Christmas Trees Harvested, Mushrooms, and Sod Grown for Sale | Farms | Sq. ft. under glass or other protection | Acres in the open | Sales ($1,000) |
| Nursery and Greenhouse Crops | 7 | D | D | D |
| Nursery, Floriculture Vegetable and Flower Seed Crops | 3 | X | D | X |
| Floriculture Crops | 3 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.