Total population (1990 census): 145896
County seat: Stillwater
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 206 | 23467 | 3243251 bu | |
| Sorghum for grain or seed | 3 | 56 | 1150 bu | |
| Wheat for Grain, Total | 9 | 224 | 7460 bu | |
| Spring Wheat for Grain | 8 | D | D | |
| Barley | 8 | 167 | 7654 bu | |
| Oats | 53 | 1325 | 58341 bu | |
| Rye | 3 | D | 1520 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 119 | 16102 | 596730 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 331 | 12616 | 27893 tons, dry | |
| Alfalfa Hay | 271 | 8900 | 21366 tons, dry | |
| Small Grain Hay | 32 | 485 | 727 tons, dry | |
| Tame Hay | 65 | 1402 | 2735 tons, dry | |
| Wild Hay | 41 | 850 | 1192 tons dry | |
| Grass Silage | 20 | 979 | 5619 tons, grn | |
| Corn for Silage | 47 | 832 | 10823 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 4 | 4 | ||
| Snap Bean | 5 | D | ||
| Head Cabbage | 4 | 11 | ||
| Cantaloupes | 4 | 5 | ||
| Cucumbers & Pickles | 5 | 15 | ||
| Eggplant | 4 | 3 | ||
| Green Peas | 4 | 3 | ||
| Hot Peppers | 3 | D | ||
| Sweet Peppers | 6 | 86 | ||
| Potatoes | 5 | 8 | D | |
| Pumpkins | 24 | 248 | ||
| Squash | 14 | 94 | ||
| Sweet Corn | 28 | 746 | ||
| Tomatoes | 7 | 13 | ||
| Other Vegetables | 4 | 8 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 33 | 455 | 49943 trees | |
| Grapes | 4 | D | 2090 vines | |
| Raspberries | 16 | 50 | 40814 lbs | |
| Strawberries | 8 | 52 | 218840 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 | 81 | 919722 | 3223 | 35360 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 26 | X | D | X |
| Florculture Crops | 28 | 909580 | 51 | 5217 |
| Bedding/Garden Plants | 23 | 831080 | 36 | 4725 |
| Cut Flowers and Cut Florist Greens | 8 | D | 15 | D |
| Potted Flowering Plants | 3 | D | D | D |
| Cut Christmas Trees Harvested | 16 | X | 175 | 283 |
| Nursery Crops | 35 | D | 2082 | 29055 |
| Sod Harvested | 3 | X | D | D |
| Other Nursery and Greenhouse Crops | 14 | D | 284 | 73 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Herbs, Total | 3 | D | X | |
| Maple Trees Tapped | 5 | 150 | 13100 | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.