Total population (1990 census): 77932
County seat: Sycamore
CropSELECT
FruitsCrop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 373 | 96222 | 13835034 bu | |
| Wheat | 23 | 646 | 31130 bu | |
| Oats | 10 | 200 | 15756 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 103 | 2176 | 6946 tons, dry | |
| Alfalfa Hay | 91 | 1683 | 5818 tons, dry | |
| Small Grain Hay | 6 | 79 | 287 tons, dry | |
| Tame Hay | 11 | 178 | 438 tons, dry | |
| Wild Hay | 10 | 166 | 325 tons dry | |
| Grass Silage | 3 | 70 | 235 tons, grn | |
| Corn for Silage | 8 | 55 | 1126 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 366 | 94899 | 4271183 bu | |
| 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 | 4 | (D) | 16 | (D) |
| Cut Christmas Trees Harvested | 3 | (X) | 12 | 158 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.