Total population (1990 census): 5,658
County seat: Oregon
CropSELECT
Cereals, Pseudocereals
Grain Legumes
Oilseeds
Forage Grasses and Legumes
Vegetables
Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactives
Industrials and Fiber
Nursery and Ornamentals
Forest
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 330 | 77733 | 9330064 bu | |
| Sorghum for Grain or Seed | 11 | 1325 | 92456 bu | |
| Wheat | 24 | 1634 | 55014 bu | |
| Oats | 5 | 144 | 7776 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 151 | 5343 | 12018 tons, dry | |
| Alfalfa Hay | 110 | 3041 | 8358 tons, dry | |
| Small Grain Hay | 8 | 109 | 135 tons, dry | |
| Tame Hay | 62 | 1913 | 3203 tons, dry | |
| Wild Hay | 11 | 250 | 289 tons dry | |
| Grass Silage | 3 | 30 | 98 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 366 | 91429 | 3539192 bu | |
*Alfalfa, grass silage, green chops etc.