Total population (1990 census): 9809
County seat: Cresco
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 606 | 105511 | 14286924 bu | |
| Wheat for Grain, Total | 5 | 206 | 10735 bu | |
| Barley | 6 | 69 | 3333 bu | |
| Oats | 165 | 3137 | 215038 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 557 | 92922 | 4004292 bu | |
| Dry Edible Beans | 3 | 116 | 2373 cwt | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 355 | 13389 | 36346 tons, dry | |
| Alfalfa Hay | 291 | 9534 | 29198 tons, dry | |
| Small Grain Hay | 43 | 891 | 1679 tons, dry | |
| Tame Hay | 62 | 1550 | 3294 tons, dry | |
| Wild Hay | 20 | 383 | 537 tons dry | |
| Grass Silage | 40 | 1031 | 4908 tons, grn | |
| Corn for Silage | 165 | 4216 | 68763 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 4 | D | ||
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.