Total population (1990 census): 30806
County seat: Belvidere
CropSELECT
FruitsCrop Statistics(1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 293 | 64682 | 8539220 bu | |
| Wheat | 67 | 1816 | 102920 bu | |
| Oats | 62 | 824 | 60701 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 178 | 6323 | 17544 tons, dry | |
| Alfalfa Hay | 162 | 4177 | 13812 tons, dry | |
| Small Grain Hay | 7 | 116 | 352 tons, dry | |
| Tame Hay | 16 | 550 | 1065 tons, dry | |
| Wild Hay | 6 | 64 | 97 tons dry | |
| Grass Silage | 31 | 1416 | 6654 tons, grn | |
| Corn for Silage | 56 | 2341 | 34822 tons, grn | |
| Sorghum for Silage | 3 | 100 | 1020 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 266 | 49866 | 2102232 bu | |
| Vegetables | Farms | Acres | Yield | |
| Cucumbers & Pickles | 3 | 1 | ||
| Green Peas | 4 | 110 | ||
| Pumpkins | 6 | 17 | ||
| Sweet Corn | 9 | 128 | ||
| Tomatoes | 4 | (D) | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 5 | (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 | 23 | (D) | 1638 | 5601 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 6 | (X) | 1448 | (X) |
| Florculture Crops | 5 | (D) | (D) | (D) |
| Bedding/Garden Plants | 3 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 6 | (X) | 15 | 34 |
| Nursery Crops | 11 | (D) | 789 | 4390 |
| Other Nursery and Greenhouse Crops | 6 | - | 39 | 64 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.