Total population (1990 census): 13855
County seat: Waukon
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 584 | 63619 | 8273034 bu | |
| Wheat for Grain, Total | 4 | 36 | 1959 bu | |
| Barley | 20 | 432 | 19850 bu | |
| Oats | 293 | 7492 | 463530 bu | |
| Popcorn | 5 | 127 | 254000 lbs, shelled | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 214 | 16742 | 744704 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 604 | 46505 | 141091 tons, dry | |
| Alfalfa Hay | 573 | 35350 | 118637 tons, dry | |
| Small Grain Hay | 123 | 2916 | 6691 tons, dry | |
| Tame Hay | 43 | 1377 | 2888 tons, dry | |
| Wild Hay | 8 | 216 | 258 tons dry | |
| Grass Silage | 119 | 6646 | 37860 tons, grn | |
| Corn for Silage | 275 | 6831 | 115394 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Squash | 3 | 5 | ||
| Sweet Corn | 3 | 6 | ||
| Tomatoes | 3 | 5 | ||
| 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 | 6 | 28976 | 39 | D |
| Florculture Crops | 3 | D | D | 56 |
| Bedding/Garden Plants | 3 | 6476 | D | D |
| Other Nursery and Greenhouse Crops | 3 | D | 39 | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.