Total population (1990 census): 8924
County seat: Madison
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 575 | 127903 | 15048534 bu | |
| Sorghum for grain or seed | 3 | 45 | 3150 bu | |
| Wheat for Grain, Total | 333 | 24666 | 813863 bu | |
| Spring Wheat for Grain | 332 | D | D | |
| Oats | 34 | 603 | 30430 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 629 | 163348 | 5730409 bu | |
| Dry Edible Beans | 3 | 186 | D | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 237 | 12198 | 34414 tons, dry | |
| Alfalfa Hay | 201 | 8515 | 28290 tons, dry | |
| Small Grain Hay | 11 | 287 | 402 tons, dry | |
| Tame Hay | 25 | 644 | 776 tons, dry | |
| Wild Hay | 75 | 2245 | 3745 tons dry | |
| Grass Silage | 16 | 507 | 3606 tons, grn | |
| Corn for Silage | 69 | 2412 | 35070 tons, grn | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.