Total population (1990 census): 11705
County seat: Marysville
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 | 286 | 23025 | 2411914 bu | |
| Sorghum for Grain or Seed | 555 | 75646 | 6825389 bu | |
| Wheat for Grain, Total | 574 | 76256 | 3230891 bu | |
| Oats | 55 | 1101 | 67101 bu | |
| Sunflower Seed | 16 | 993 | 873040 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 609 | 86400 | 2969832 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 538 | 29043 | 63228 tons, dry | |
| Alfalfa Hay | 352 | 9878 | 30356 tons, dry | |
| Small Grain Hay | 14 | 317 | 584 tons, dry | |
| Tame Hay | 320 | 9569 | 17493 tons, dry | |
| Wild Hay | 238 | 8608 | 12777 tons dry | |
| Grass Silage | 18 | 671 | 6053 tons, grn | |
| Corn for Silage | 35 | 995 | 14925 tons, grn | |
| Sorghum for Silage | 49 | 1374 | 17769 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 5 | 11 | ||
*Alfalfa, grass silage, green chops etc.