Total population (1990 census): 9806
County seat:
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 542 | 117712 | 13822875 bu | |
| Wheat for Grain, Total | 4 | D | D | |
| Spring Wheat for Grain | 4 | D | D | |
| Barley | 3 | 114 | 6668 bu | |
| Oats | 62 | 1413 | 101237 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 538 | 115688 | 4561731 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 335 | 10923 | 30449 tons, dry | |
| Alfalfa Hay | 225 | 6206 | 21446 tons, dry | |
| Small Grain Hay | 15 | 229 | 338 tons, dry | |
| Tame Hay | 56 | 1057 | 2139 tons, dry | |
| Wild Hay | 136 | 2380 | 4413 tons dry | |
| Grass Silage | 26 | 1051 | 6335 tons, grn | |
| Corn for Silage | 117 | 4369 | 63330 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 3 | D | ||
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.