Total population (1990 census): 13228
County seat: Montevideo
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 458 | 117119 | 14260532 bu | |
| Wheat for Grain, Total | 109 | 5927 | 207082 bu | |
| Spring Wheat for Grain | 108 | D | D | |
| Barley | 6 | 177 | 8773 bu | |
| Oats | 34 | 1221 | 73990 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 473 | 126456 | 4433156 bu | |
| Dry Edible Beans | 13 | 1409 | 26176 cwt | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 142 | 4671 | 13276 tons, dry | |
| Alfalfa Hay | 121 | 3423 | 11004 tons, dry | |
| Small Grain Hay | 12 | 406 | 814 tons, dry | |
| Tame Hay | 19 | 277 | 430 tons, dry | |
| Wild Hay | 29 | 319 | 497 tons dry | |
| Grass Silage | 6 | 246 | 1594 tons, grn | |
| Corn for Silage | 38 | 1050 | 15596 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Beets | 4 | 465 | ||
| Sugar Beets for Sugar | 132 | 31767 | 557124 t | |
| 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 | D | D | D |
| Florculture Crops | 3 | D | D | D |
| Bedding/Garden Plants | 3 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.