Total population (1990 census): 4106
County seat: Roundup
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Wheat for Grain, Total | 42 | 44043 | 1493333 bu | |
| Spring Wheat | 20 | 20587 | 726569 bu | |
| Winter Wheat | 32 | 23456 | 766764 bu | |
| Barley | 23 | 3974 | 119704 bu | |
| Oats | 21 | 798 | 44253 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 136 | 27079 | 47554 tons, dry | |
| Alfalfa Hay | 115 | 20725 | 37532 tons, dry | |
| Small Grain Hay | 48 | 2284 | 5531 tons, dry | |
| Tame Hay | 29 | 1899 | 2169 tons, dry | |
| Wild Hay | 15 | 1205 | 672 tons dry | |
| Grass Silage | 8 | 966 | 4953 tons, grn | |
| Corn for Silage | 8 | 432 | 5940 tons, grn | |
*Alfalfa, grass silage, green chops etc.