Total population (1990 census): 49264
County seat: Lancaster
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 1504 | 126233 | 17148705 bu | |
| Wheat for Grain, Total | 6 | 69 | 2945 bu | |
| Winter Wheat | 4 | D | D | |
| Barley | 77 | 1590 | 86772 bu | |
| Oats | 782 | 15505 | 964601 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 405 | 30128 | 1506419 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 1563 | 128475 | 381259 tons, dry | |
| Alfalfa Hay | 1472 | 83187 | 285704 tons, dry | |
| Small Grain Hay | 286 | 5107 | 11228 tons, dry | |
| Tame Hay | 89 | 3044 | 7953 tons, dry | |
| Wild Hay | 24 | 536 | 1128 tons dry | |
| Grass Silage | 525 | 36601 | 225715 tons, grn | |
| Corn for Silage | 769 | 16879 | 271185 tons, grn | |
| Sorghum for Silage | 4 | 23 | 190 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 6 | 9 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 10 | D | 8277 trees | |
| Grapes | 4 | 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 | 12 | 41130 | D | 872 |
| Florculture Crops | 5 | D | D | 92 |
| Bedding/Garden Plants | 5 | D | D | 92 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Maple Trees Tapped | 3 | D | D | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.