Total population (1990 census): 9158
County seat: Clay Center
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 | 83 | 11647 | 1737828 bu | |
| Sorghum for Grain or Seed | 336 | 43931 | 3473026 bu | |
| Wheat for Grain, Total | 380 | 85361 | 4727778 bu | |
| Oats | 39 | 816 | 47760 bu | |
| Sunflower Seed | 4 | 101 | 53150 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 323 | 39016 | 1393321 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 4 | 165 | X | |
| Total Hay* | 325 | 21531 | 42845 tons, dry | |
| Alfalfa Hay | 202 | 6132 | 19054 tons, dry | |
| Small Grain Hay | 17 | 263 | 363 tons, dry | |
| Tame Hay | 201 | 7553 | 12483 tons, dry | |
| Wild Hay | 150 | 7183 | 10144 tons dry | |
| Grass Silage | 12 | 400 | 2406 tons, grn | |
| Corn for Silage | 19 | 758 | 13371 tons, grn | |
| Sorghum for Silage | 49 | 1668 | 27193 tons, grn | |
*Alfalfa, grass silage, green chops etc.
X=Not applicable.