Total population (1990 census): 20846
County seat: Litchfield
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 593 | 98655 | 11404354 bu | |
| Wheat for Grain, Total | 136 | 5726 | 183976 bu | |
| Spring Wheat for Grain | 129 | 5431 | 173431 bu | |
| Winter Wheat for Grain | 14 | 295 | 10545 bu | |
| Barley | 37 | 985 | 47595 bu | |
| Oats | 78 | 2407 | 116428 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 550 | 95199 | 3261302 bu | |
| Dry Edible Beans | 4 | 233 | 3591 cwt | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 406 | 16899 | 49255 tons, dry | |
| Alfalfa Hay | 345 | 10630 | 36144 tons, dry | |
| Small Grain Hay | 51 | 1241 | 2322 tons, dry | |
| Tame Hay | 48 | 604 | 1549 tons, dry | |
| Wild Hay | 112 | 1525 | 2687 tons dry | |
| Grass Silage | 49 | 2899 | 19746 tons, grn | |
| Corn for Silage | 162 | 6651 | 102175 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sugar Beets for Sugar | 3 | 225 | 3500 t | |
| Cucumbers & Pickles | 3 | 1 | ||
| Green Peas | 29 | 1603 | ||
| Potatoes | 3 | 2 | 80 bu | |
| Pumpkins | 4 | D | ||
| Squash | 4 | 1 | ||
| Sweet Corn | 20 | 1377 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 5 | 29 | D | |
| Raspberries | 4 | 1 | 2650 lbs | |
| 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 | 8 | D | 452 | 500 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 4 | X | D | X |
| Nursery Crops | 4 | D | 33 | 179 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.