Total population (1990 census): 11592
County seat: Wapello
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 382 | 75216 | 9413450 bu | |
| Wheat for Grain, Total | 20 | 298 | 12915 bu | |
| Oats | 40 | 660 | 48156 bu | |
| Rye | 8 | 233 | 6060 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 372 | 65965 | 2957729 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 183 | 4447 | 13560 tons, dry | |
| Alfalfa Hay | 150 | 3495 | 11317 tons, dry | |
| Small Grain Hay | 14 | 181 | 352 tons, dry | |
| Tame Hay | 34 | 492 | 1247 tons, dry | |
| Wild Hay | 6 | 48 | 70 tons dry | |
| Grass Silage | 9 | 231 | 1723 tons, grn | |
| Corn for Silage | 29 | 550 | 8500 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Cantaloupes | 4 | 24 | ||
| Potatoes | 4 | 527 | 123150 bu | |
| Pumpkins | 3 | 10 | ||
| Watermelons | 4 | D | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 4 | D | D | |
| Strawberries | 3 | 4 | 6136 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 | 6 | D | 16 | 84 |
| Cut Christmas Trees Harvested | 4 | X | 7 | 82 |
| Other Nursery and Greenhouse Crops | 3 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.