Total population (1990 census): 1083592
County seat: Pontiac
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 54 | 7073 | 654155 bu | |
| Wheat for Grain, Total | 32 | 2500 | 112663 bu | |
| Winter Wheat | 31 | (D) | (D) | |
| Oats | 7 | 126 | 7890 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 25 | 4432 | 138161 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 164 | 8293 | 17371 tons, dry | |
| Alfalfa Hay | 129 | 5292 | 13169 tons, dry | |
| Small Grain Hay | 5 | 124 | (D) | |
| Tame Hay | 46 | 1697 | 2541 tons, dry | |
| Wild Hay | 19 | 587 | (D) | |
| Grass Silage | 11 | 593 | 2632 tons, grn | |
| Corn for Silage | 8 | 264 | 2330 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 3 | (D) | ||
| Snap Bean | 6 | 5 | ||
| Broccoli | 3 | (D) | ||
| Head Cabbage | 3 | (Z) | ||
| Cantaloupes | 4 | 8 | ||
| Cucumbers & Pickles | 3 | 2 | ||
| Green Peas | 4 | 3 | ||
| Sweet Peppers | 6 | 2 | ||
| Pumpkins | 15 | 160 | ||
| Squash | 6 | 8 | ||
| Sweet Corn | 15 | 276 | ||
| Tomatoes | 12 | 14 | ||
| Watermelons | 3 | (D) | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 31 | 461 | 77039 trees | |
| Cherries, Total | 5 | 2 | 127 trees | |
| Sweet Cherries | 4 | 1 | 45 trees | |
| Tart Cherries | 4 | 1 | 82 trees | |
| Grapes | 7 | 24 | 8361 vines | |
| Peaches | 9 | 10 | 921 trees | |
| Pears | 6 | 2 | 166 trees | |
| Plums and Prunes | 3 | (D) | (D) | |
| Raspberries | 4 | 19 | (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 | 128 | 1889206 | 1126 | 24270 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 45 | (X) | 365 | (X) |
| Florculture Crops | 50 | 1774976 | 37 | 14618 |
| Bedding/Garden Plants | 38 | 1328020 | 14 | 11977 |
| Cut Flowers and Cut Florist Greens | 7 | (D) | 13 | 63 |
| Foliage Plants | 7 | (D) | 1 | 151 |
| Potted Flowering Plants | 18 | 410356 | 9 | 2427 |
| Bulbs, Corms, Rhizomes, and Tubers | 3 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 26 | (X) | 84 | 275 |
| Nursery Crops | 54 | (D) | 419 | 8360 |
| Sod Harvested | 5 | (X) | (D) | 428 |
| Other Nursery and Greenhouse Crops | 30 | (D) | 417 | 227 |
*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.