Total population (1990 census): 117206
County seat: Decatur
CropSELECT
FruitsCrop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 499 | 146807 | 21917261 bu | |
| Wheat | 30 | 952 | 64141 bu | |
| Oats | 11 | 136 | 9962 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 123 | 2661 | 6736 tons, dry | |
| Alfalfa Hay | 90 | 1581 | 5036 tons, dry | |
| Small Grain Hay | 7 | 88 | 137 tons, dry | |
| Tame Hay | 39 | 799 | 1263 tons, dry | |
| Wild Hay | 6 | 63 | (D) | |
| Grass Silage | 5 | 130 | (D) | |
| Corn for Silage | 5 | 146 | 2676 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 483 | 144998 | 6341289 bu | |
| Fruits | Farms | Acres | Yield | |
| Apples | 4 | (D) | (D) | |
| Peaches | 3 | (D) | (D) | |
| 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 | 32 | (D) | 1251 | 4007 |
| Florculture Crops | 5 | 47000 | (D) | 566 |
| Bedding/Garden Plants | 4 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 15 | (X) | 45 | 271 |
| Nursery Crops | 8 | - | 638 | 2043 |
| Greenhouse Vegetables | 3 | (D) | (X) | (D) |
| Other Nursery and Greenhouse Crops | 14 | (D) | (D) | 27 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.