Total population (1990 census): 18,115
County seat: Plattsburg
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 | 181 | 27466 | 3342789 bu | |
| Sorghum for Grain or Seed | 4 | 325 | (D) | |
| Wheat | 43 | 2183 | 110135 bu | |
| Oats | 5 | 89 | 4168 bu | |
| Tobacco | 7 | 24 | 57051 lbs | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 438 | 30400 | 48398 tons, dry | |
| Alfalfa Hay | 107 | 2980 | 8112 tons, dry | |
| Small Grain Hay | 13 | 421 | 449 tons, dry | |
| Tame Hay | 332 | 22704 | 34966 tons, dry | |
| Wild Hay | 65 | 3595 | 4328 tons dry | |
| Grass Silage | 16 | 700 | 1631 tons, grn | |
| Corn for Silage | 19 | 653 | 9472 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 213 | 39079 | 1491131 bu | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 7 | 20 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 4 | (D) | 1900 trees | |
| 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 | 17 | 10500 | 373 | 217 |
| Floriculture Crops | 6 | 10500 | (D) | 58 |
| Bedding/Garden Plants | 6 | 9025 | (D) | 51 |
| Potted Flowering Plants | 4 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 6 | (X) | 61 | 42 |
| Nursery Crops | 3 | - | (D) | 16 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.