Total population (1990 census): 15940
County seat: Prairie du Chien
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 527 | 24514 | 2977493 bu | |
| Wheat for Grain, Total | 8 | 167 | 8928 bu | |
| Spring Wheat | 5 | 73 | 3778 bu | |
| Winter Wheat | 3 | 94 | 5150 bu | |
| Barley | 23 | 433 | 23405 bu | |
| Oats | 242 | 4135 | 227687 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 68 | 4504 | 188472 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 653 | 47439 | 121407 tons, dry | |
| Alfalfa Hay | 609 | 33171 | 94205 tons, dry | |
| Small Grain Hay | 115 | 1785 | 3250 tons, dry | |
| Tame Hay | 57 | 1605 | 3431 tons, dry | |
| Wild Hay | 17 | 349 | 898 tons dry | |
| Grass Silage | 170 | 10529 | 58857 tons, grn | |
| Corn for Silage | 274 | 4917 | 72392 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 3 | D | ||
| Lettuce and Romaine | 3 | D | ||
| Potatoes | 4 | 7 | 432 bu | |
| Pumpkins | 6 | 9 | ||
| Radishes | 3 | Z | ||
| Squash | 9 | 28 | ||
| Sweet Corn | 6 | 12 | ||
| Tomatoes | 6 | 1 | ||
| Other Vegetables | 4 | 15 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 23 | 1123 | 157080 trees | |
| Cherries, Total | 4 | D | D | |
| Tart Cherries | 4 | D | D | |
| Grapes | 4 | 4 | D | |
| Plums and Prunes | 3 | 1 | D | |
| Strawberries | 4 | 6 | 18777 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 | 14 | 55164 | D | 416 |
| Florculture Crops | 10 | D | D | 256 |
| Bedding/Garden Plants | 8 | 3796 | D | 25 |
| Greenhouse Vegetables | 3 | D | X | 155 |
| Herb, Spice, Medicinal, Bioactive... | Farms | Acres | Yield | |
| Tobacco | 56 | 193 | 270582 lbs | |
| Other | 3 | 4 | X | |
*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.