Total population (1990 census): 12772
County seat: Rolla
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 | 10 | 462 | 21900 bu | |
| Wheat for Grain, Total | 242 | 120372 | 2732691 bu | |
| Durum Wheat | 152 | 48639 | 1083292 bu | |
| Other Spring Wheat | 181 | 71186 | 1634595 bu | |
| Winter Wheat | 3 | 547 | 14804 bu | |
| Barley | 224 | 67943 | 3168738 bu | |
| Canola | 76 | 21278 | 24859949 lbs | |
| Flaxseed | 8 | 771 | 13600 bu | |
| Mustard Seed | 3 | 549 | D | |
| Oats | 78 | 5620 | 282362 bu | |
| Rye | 3 | 144 | 2622 bu | |
| Sunflower Seed | 39 | 7586 | 9064224 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 11 | 1222 | 14300 bu | |
| Dry Edible Peas | 7 | 665 | 1098000 lbs | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 310 | 53458 | 80959 tons, dry | |
| Alfalfa Hay | 224 | 26728 | 47896 tons, dry | |
| Small Grain Hay | 40 | 2257 | 3318 tons, dry | |
| Tame Hay | 62 | 5656 | 7799 tons, dry | |
| Wild Hay | 195 | 17309 | 20464 tons dry | |
| Grass Silage | 5 | 1508 | 4446 tons, grn | |
| Corn for Silage | 13 | 627 | 3701 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 3 | D | ||
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.