Total population (1990 census): 45088
County seat: Portage
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 878 | 109907 | 14145362 bu | |
| Wheat for Grain, Total | 170 | 4762 | 261512 bu | |
| Spring Wheat | 8 | 160 | 8773 bu | |
| Winter Wheat | 164 | 4602 | 252739 bu | |
| Barley | 20 | 376 | 19724 bu | |
| Oats | 277 | 4778 | 258562 bu | |
| Rye | 9 | 93 | 3578 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 448 | 39536 | 1700121 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 814 | 45652 | 120570 tons, dry | |
| Alfalfa Hay | 716 | 28042 | 83599 tons, dry | |
| Small Grain Hay | 94 | 1541 | 3163 tons, dry | |
| Tame Hay | 85 | 2504 | 6019 tons, dry | |
| Wild Hay | 30 | 502 | 667 tons dry | |
| Grass Silage | 234 | 13063 | 81358 tons, grn | |
| Corn for Silage | 355 | 11557 | 167402 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 4 | D | ||
| Green Lima Beans | 4 | 104 | ||
| Snap Bean | 47 | 2601 | ||
| Beets | 3 | 163 | ||
| Cantaloupes | 5 | 16 | ||
| Cauliflower | 3 | D | ||
| Eggplant | 4 | 3 | ||
| Dry Onions | 3 | D | ||
| Green Peas | 70 | 2453 | ||
| Hot Peppers | 3 | D | ||
| Sweet Peppers | 6 | 6 | ||
| Potatoes | 7 | D | D | |
| Pumpkins | 19 | 78 | ||
| Squash | 11 | 24 | ||
| Sweet Corn | 108 | 4384 | ||
| Tomatoes | 3 | D | ||
| Watermelons | 8 | 16 | ||
| Other Vegetables | 3 | D | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 13 | 52 | 5667 trees | |
| Cherries, Total | 4 | 2 | 68 trees | |
| Tart Cherries | 4 | D | D | |
| Grapes | 3 | 1 | 380 vines | |
| Peaches | 3 | Z | 17 trees | |
| Raspberries | 7 | 2 | 1562 lbs | |
| Strawberries | 5 | 4 | 3660 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 | 33 | 108400 | 952 | 1651 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 5 | X | 107 | X |
| Florculture Crops | 13 | 98800 | 12 | 513 |
| Bedding/Garden Plants | 8 | 56300 | D | 370 |
| Cut Flowers and Cut Florist Greens | 6 | D | 8 | D |
| Potted Flowering Plants | 3 | D | D | D |
| Cut Christmas Trees Harvested | 14 | X | 58 | 229 |
| Nursery Crops | 4 | D | D | D |
| Other Nursery and Greenhouse Crops | 15 | D | 779 | 69 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Tobacco | 26 | 57 | 122312 lbs | |
| Mint for Oil | 4 | 752 | 25933 lbs of Oil | |
*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.