Total population (1996 census): 59,733
County seat: Tiffin
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 834 | 76688 | 9804596 bu | |
| Wheat for Grain, Total | 768 | 43138 | 2462205 bu | |
| Barley | 11 | 102 | 5454 bu | |
| Oats | 117 | 1814 | 147961 bu | |
| Popcorn | 3 | 265 | 792000 lbs, shelled | |
| Rye | 4 | 29 | 455 lbs, shelled | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 965 | 119353 | 4654921 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 7 | 160 | X | |
| Red Clover Seed | 7 | 160 | 15338 lbs | |
| Total Hay* | 322 | 7031 | 18533 tons, dry | |
| Alfalfa Hay | 264 | 4498 | 12898 tons, dry | |
| Small Grain Hay | 21 | D | D | |
| Tame Hay | 91 | 1510 | 3359 tons, dry | |
| Grass Silage | 23 | 779 | 5621 tons, grn | |
| Corn for Silage | 51 | 1238 | 19130 tons, grn | |
| Sorghum for Silage | 3 | D | 172 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sugar Beets for Sugar | 4 | 415 | 5935 tons | |
| Head Cabbage | 3 | 46 | ||
| Cantaloupes | 4 | 21 | ||
| Sweet Peppers | 3 | D | ||
| Pumpkins | 5 | 56 | ||
| Sweet Corn | 7 | 105 | ||
| Tomatoes | 10 | 472 | ||
| Watermelons | 3 | 22 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 5 | 19 | trees | |
| Peaches | 3 | D | D | |
| Other Fruits and Nuts | 3 | 2 | 28 trees | |
| 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 | 14 | 98875 | 38 | D |
| Florculture Crops | 6 | 98875 | D | 283 |
| Bedding/Garden Plants | 5 | D | D | D |
| Cut Christmas Trees Harvested | 6 | X | D | 16 |
| Nursery Crops | 3 | D | D | D |
| Other Nursery and Greenhouse Crops | 3 | D | D | 3 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Maple Trees Tapped | 6 | 278 | 13445 | |
*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.