Total population (1990 census): 3761
County seat: Fort Yates
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 | 84 | 37121 | 693249 bu | |
| Durum Wheat | 3 | 700 | 14605 bu | |
| Other Spring Wheat | 81 | 32524 | 609104 bu | |
| Winter Wheat | 15 | 3897 | 69540 bu | |
| Barley | 18 | 1275 | 38290 bu | |
| Oats | 53 | 6019 | 230777 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 135 | 53209 | 70527 tons, dry | |
| Alfalfa Hay | 122 | 31212 | 42902 tons, dry | |
| Small Grain Hay | 51 | D | 8608 tons, dry | |
| Tame Hay | 62 | 11052 | D | |
| Wild Hay | 42 | 4557 | 3852 tons dry | |
| Corn for Silage | 21 | 2124 | 8123 tons, grn | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.