Total population (1990 census): 37020
County seat: Mt. Vernon
CropSELECT
FruitsCrop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 339 | 41231 | 3446899 bu | |
| Sorghum for Grain or Seed | 59 | 2792 | 195344 bu | |
| Wheat | 207 | 15875 | 788102 bu | |
| Oats | 3 | 25 | 1165 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 3 | 85 | (X) | |
| Red Clover Seed | 3 | 85 | 5300 lbs | |
| Total Hay* | 390 | 13462 | 32303 tons, dry | |
| Alfalfa Hay | 108 | 2046 | 5154 tons, dry | |
| Small Grain Hay | 12 | 264 | 725 tons, dry | |
| Tame Hay | 289 | 9949 | 24542 tons, dry | |
| Wild Hay | 37 | 1018 | 1589 tons dry | |
| Grass Silage | 7 | 185 | 884 tons, grn | |
| Corn for Silage | 25 | 557 | 6810 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 405 | 72840 | 2553653 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 | 31 | 25020 | 450 | 961 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 5 | (X) | 12 | (X) |
| Florculture Crops | 6 | 22770 | (D) | 125 |
| Bedding/Garden Plants | 4 | (D) | - | (D) |
| Cut Christmas Trees Harvested | 12 | (X) | 15 | 48 |
| Nursery Crops | 16 | - | 327 | 712 |
| Greenhouse Vegetables | 3 | 2250 | (X) | 9 |
| Other Nursery and Greenhouse Crops | 13 | - | (D) | 67 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.