Total population (1990 census): 7267
County seat: Sibley
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 531 | 103308 | 12776047 bu | |
| Oats | 54 | 859 | 71130 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 539 | 104755 | 4385453 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 151 | 3363 | 7758 tons, dry | |
| Alfalfa Hay | 91 | 1856 | 4627 tons, dry | |
| Small Grain Hay | 11 | 231 | 550 tons, dry | |
| Tame Hay | 32 | 359 | 587 tons, dry | |
| Wild Hay | 35 | 387 | 661 tons dry | |
| Grass Silage | 20 | 530 | 4000 tons, grn | |
| Corn for Silage | 74 | 3406 | 54973 tons, grn | |
| 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 | 3 | 10460 | D | D |
| Florculture Crops | 3 | 10460 | D | D |
| Bedding/Garden Plants | 3 | 10460 | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.