Total population (1990 census): 255,066
County seat: St. Charles
CropSELECT
Cereals, Pseudocereals
Grain Legumes
Oilseeds
Forage Grasses and Legumes
Vegetables
Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactives
Industrials and Fiber
Nursery and Ornamentals
Forest
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 283 | 45088 | 4934291 bu | |
| Sorghum for Grain or Seed | 13 | 581 | 28407 bu | |
| Wheat | 225 | 16192 | 820923 bu | |
| Oats | 3 | 24 | 1440 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 6 | (D) | (X) | |
| Red Clover Seed | 4 | 50 | 4294 tons, dry | |
| Total Hay* | 279 | 10759 | 23758 tons, dry | |
| Alfalfa Hay | 94 | 2273 | 7433 tons, dry | |
| Small Grain Hay | 12 | 288 | 493 tons, dry | |
| Tame Hay | 192 | 7083 | 14026 tons, dry | |
| Wild Hay | 41 | 915 | 1550 tons dry | |
| Grass Silage | 7 | 200 | 766 tons, grn | |
| Corn for Silage | 21 | 781 | 12856 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 317 | 56996 | 2091741 bu | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 3 | 1 | ||
| Cantaloupes | 3 | (D) | ||
| Collards | 1 | (D) | ||
| Cucumbers & Pickles | 7 | 11 | ||
| Okra | 3 | (D) | ||
| Sweet Peppers | 7 | 12 | ||
| Pumpkins | 12 | 95 | ||
| Squash | 3 | 10 | ||
| Sweet Corn | 5 | 38 | ||
| Tomatoes | 12 | 13 | ||
| Watermelons | 5 | 5 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 9 | 47 | 4000 trees | |
| Grapes | 9 | 98 | 74705 vines | |
| Peaches | 7 | 30 | 1497 trees | |
| Pecans | 7 | 42 | 965 trees | |
| Blackberries | 4 | (D) | 3420 lbs | |
| Strawberries | 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 | 43 | 245994 | 998 | 5137 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 11 | (X) | 423 | (X) |
| Floriculture Crops | 21 | (D) | 9 | 2085 |
| Bedding/Garden Plants | 21 | 234802 | (D) | 2031 |
| Potted Flowering Plants | 3 | (D) | - | (D) |
| Cut Christmas Trees Harvested | 5 | (X) | 54 | (D) |
| Nursery Crops | 12 | - | 103 | 1295 |
| Sod Harvested | 5 | (X) | 797 | 1693 |
| Other Nursery and Greenhouse Crops | 4 | (D) | (D) | (D) |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.