Total population (1990 census): 43431
County seat: Hillsdale
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 490 | 67985 | 7580871 bu | |
| Wheat for Grain, Total | 273 | 14179 | 771233 bu | |
| Winter Wheat | 273 | 14179 | 771233 bu | |
| Barley | 6 | 36 | 1850 bu | |
| Oats | 60 | 910 | 56406 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 461 | 62120 | 2384960 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 443 | 19977 | 57829 tons, dry | |
| Alfalfa Hay | 382 | 13876 | 44099 tons, dry | |
| Small Grain Hay | 19 | 321 | 434 tons, dry | |
| Tame Hay | 62 | 1621 | 3659 tons, dry | |
| Wild Hay | 15 | 353 | 465 tons dry | |
| Grass Silage | 51 | 3806 | 27506 tons, grn | |
| Corn for Silage | 103 | 5465 | 82973 tons, grn | |
| Sorghum for Silage | 4 | 122 | 1097 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 5 | 2 | ||
| Cantaloupes | 3 | (D) | ||
| Cucumbers & Pickles | 3 | (Z) | ||
| Sweet Peppers | 3 | (D) | ||
| Pumpkins | 6 | 21 | ||
| Sweet Corn | 11 | 34 | ||
| Tomatoes | 7 | 5 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 11 | 200 | 28259 trees | |
| Cherries, Total | 4 | 2 | 83 trees | |
| Sweet Cherries | 3 | 1 | (D) | |
| Tart Cherries | 4 | 1 | (D) | |
| Grapes | 4 | (Z) | 84 vines | |
| Peaches | 6 | (D) | (D) | |
| Pears | 3 | (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 | 23 | 302992 | 229 | (D) |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 3 | (X) | (D) | (X) |
| Florculture Crops | 10 | 130242 | (D) | 921 |
| Bedding/Garden Plants | 7 | 111742 | (D) | 456 |
| Cut Flowers and Cut Florist Greens | 3 | - | (D) | (D) |
| Potted Flowering Plants | 3 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 11 | (X) | 68 | 80 |
| Nursery Crops | 5 | (D) | (D) | (D) |
| Other Nursery and Greenhouse Crops | 7 | (D) | 92 | 22 |
*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.