Total population (1990 census): 4866
County seat: Corning
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 338 | 54227 | 6247399 bu | |
| Sorghum for grain or seed | 3 | 26 | 1400 bu | |
| Wheat for Grain, Total | 5 | 105 | 3457 bu | |
| Oats | 62 | 1729 | 114992 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 335 | 53869 | 2214721 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 310 | 17579 | 42047 tons, dry | |
| Alfalfa Hay | 255 | 11870 | 31257 tons, dry | |
| Small Grain Hay | 63 | 1257 | 2569 tons, dry | |
| Tame Hay | 102 | 3674 | 6682 tons, dry | |
| Wild Hay | 5 | 440 | D | |
| Grass Silage | 9 | 338 | D | |
| Corn for Silage | 36 | 1301 | 16118 tons, grn | |
| 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 | 4 | D | D | D |
| Cut Christmas Trees Harvested | 3 | X | D | 13 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.