Total population (1990 census): 5485
County seat: Chamberlain
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 | 250 | 61931 | 5211265 bu | |
| Sorghum for Grain or Seed | 33 | 3227 | 228131 bu | |
| Wheat for Grain, Total | 139 | 29017 | 983917 bu | |
| Other Spring Wheat | 68 | D | D | |
| Winter Wheat | 112 | 21334 | 730548 bu | |
| Barley | 14 | 1272 | 53038 bu | |
| Oats | 78 | 6700 | 348207 bu | |
| Proso Millet | 4 | 327 | 11395 bu | |
| Sunflower Seed | 91 | 15505 | 20814907 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 61 | 12053 | 478986 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 4 | 535 | X | |
| Wheatgrass Seed | 3 | 315 | D | |
| Total Hay* | 262 | 59906 | 120198 tons, dry | |
| Alfalfa Hay | 230 | 31535 | 72458 tons, dry | |
| Small Grain Hay | 27 | 2415 | 3915 tons, dry | |
| Tame Hay | 83 | 6900 | 15308 tons, dry | |
| Wild Hay | 137 | 16350 | 22926 tons dry | |
| Grass Silage | 30 | 2706 | 16776 tons, grn | |
| Corn for Silage | 94 | 8768 | 80426 tons, grn | |
| Sorghum for Silage | 54 | 3056 | 25193 tons, grn | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.