
Total population (1990 census): 16076
County seat:
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 755 | 96985 | 13587976 bu | |
| Wheat for Grain, Total | 18 | 390 | 19589 bu | |
| Spring Wheat | 7 | 104 | 4080 bu | |
| Winter Wheat | 11 | 286 | 15509 bu | |
| Barley | 82 | 1463 | 80551 bu | |
| Oats | 302 | 6324 | 370219 bu | |
| Rye | 4 | 172 | 7470 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 352 | 42719 | 2191895 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 797 | 73079 | 214209 tons, dry | |
| Alfalfa Hay | 734 | 46441 | 159012 tons, dry | |
| Small Grain Hay | 139 | 2673 | 6363 tons, dry | |
| Tame Hay | 48 | 1641 | 3807 tons, dry | |
| Wild Hay | 14 | 227 | 488 tons dry | |
| Grass Silage | 308 | 22097 | 133607 tons, grn | |
| Corn for Silage | 462 | 13163 | 204202 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 5 | 18 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 6 | D | 2318 trees | |
| Nursery and Greenhouse Crops, Cut Christmas Trees Harvested, Mushrooms, and Sod Grown for Sale | Farms | Sq. ft. under glass or other protection | Acres in the open | Sales ($1,000) |
| Nursery and Greenhouse Crops | 6 | D | 23 | D |
| Nursery Crops | 5 | D | 23 | 94 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.