Total population (1990 census): 367085
County seat: Madison
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 1370 | 166255 | 21814834 bu | |
| Wheat for Grain, Total | 214 | 5202 | 289643 bu | |
| Spring Wheat | 12 | 228 | 8461 bu | |
| Winter Wheat | 204 | 4974 | 281182 bu | |
| Barley | 37 | 956 | 49113 bu | |
| Oats | 324 | 5602 | 316101 bu | |
| Rye | 6 | 113 | 4471 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 732 | 61570 | 2877620 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 1312 | 97632 | 269739 tons, dry | |
| Alfalfa Hay | 1095 | 50044 | 157856 tons, dry | |
| Small Grain Hay | 160 | 3394 | 7803 tons, dry | |
| Tame Hay | 129 | 2178 | 5338 tons, dry | |
| Wild Hay | 59 | 942 | 1824 tons dry | |
| Grass Silage | 509 | 41074 | 290757 tons, grn | |
| Corn for Silage | 697 | 25984 | 402265 tons, grn | |
| Sorghum for Silage | 3 | D | D | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 16 | 33 | ||
| Green Lima Beans | 3 | D | ||
| Snap Bean | 26 | 633 | ||
| Beets | 6 | D | ||
| Broccoli | 10 | 6 | ||
| Head Cabbage | 4 | D | ||
| Cantaloupes | 10 | 11 | ||
| Carrots | 6 | 3 | ||
| Cauliflower | 5 | 4 | ||
| Celery | 4 | 2 | ||
| Collards | 3 | D | ||
| Cucumbers & Pickles | 7 | 7 | ||
| Eggplant | 7 | 5 | ||
| Herbs | 7 | D | ||
| Lettuce and Romaine | 9 | 4 | ||
| Mustard Greens | 4 | D | ||
| Dry Onions | 6 | 2 | ||
| Green Onions | 6 | 1 | ||
| Green Peas | 66 | 1919 | ||
| Hot Peppers | 3 | Z | ||
| Sweet Peppers | 13 | 10 | ||
| Potatoes | 15 | 12 | 1159 bu | |
| Pumpkins | 32 | 86 | ||
| Radishes | 8 | 6 | ||
| Rhubarb | 4 | Z | ||
| Spinach | 6 | 4 | ||
| Squash | 18 | 15 | ||
| Sweet Corn | 66 | 1325 | ||
| Tomatoes | 20 | 15 | ||
| Watermelons | 4 | D | ||
| Other Vegetables | 10 | 12 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 55 | 216 | 19712 trees | |
| Cherries, Total | 9 | 4 | 369 trees | |
| Tart Cherries | 9 | D | D | |
| Grapes | 16 | 48 | 19501 vines | |
| Peaches | 5 | 1 | 50 trees | |
| Pears | 3 | D | D | |
| Raspberries | 16 | 6 | 6824 lbs | |
| Strawberries | 13 | 37 | 232278 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 | 98 | 634249 | 1853 | 8634 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 16 | X | 79 | X |
| Florculture Crops | 48 | 513368 | 24 | 4366 |
| Bedding/Garden Plants | 35 | 400258 | 10 | 3867 |
| Cut Flowers and Cut Florist Greens | 16 | D | D | 33 |
| Foliage Plants | 3 | D | D | 50 |
| Potted Flowering Plants | 8 | 108710 | D | 417 |
| Cut Christmas Trees Harvested | 24 | X | 417 | 489 |
| Nursery Crops | 19 | D | 605 | 2035 |
| Sod Harvested | 7 | X | 501 | 1162 |
| Greenhouse Vegetables | 6 | 68825 | X | 320 |
| Other Nursery and Greenhouse Crops | 15 | D | 286 | 205 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Tobacco | 348 | 1391 | 3095532 lbs | |
| Mint for Oil | 5 | 1075 | 29406 lbs of Oil | |
| Other | 4 | D | X | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.
Z=Less than half of the unit shown.