Total population (1990 census): 13186
County seat: Vermillion
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 320 | 73042 | 7392213 bu | |
| Wheat for Grain, Total | 6 | 418 | D | |
| Other Spring Wheat | 5 | 146 | 5491 bu | |
| Oats | 16 | 366 | 26684 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 339 | 95371 | 3232077 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 179 | 17196 | 54467 tons, dry | |
| Alfalfa Hay | 157 | 14228 | 50064 tons, dry | |
| Small Grain Hay | 12 | 565 | 943 tons, dry | |
| Tame Hay | 33 | 1571 | 2097 tons, dry | |
| Wild Hay | 23 | 750 | 1271 tons dry | |
| Grass Silage | 6 | 82 | 270 tons, grn | |
| Corn for Silage | 38 | 1589 | 21520 tons, grn | |
| Sorghum for Silage | 4 | 57 | 530 tons, grn | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.