Total population (1990 census): 39907
County seat: Muscatine
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 503 | 86570 | 10895561 bu | |
| Wheat for Grain, Total | 15 | 333 | 13798 bu | |
| Oats | 117 | 2076 | 142806 bu | |
| Rye | 9 | 395 | 9960 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 462 | 69398 | 3169940 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 331 | 10183 | 31493 tons, dry | |
| Alfalfa Hay | 295 | 8022 | 26350 tons, dry | |
| Small Grain Hay | 37 | 627 | 1200 tons, dry | |
| Tame Hay | 49 | 730 | 1524 tons, dry | |
| Wild Hay | 7 | 57 | 127 tons dry | |
| Grass Silage | 16 | 747 | 6879 tons, grn | |
| Corn for Silage | 57 | 2078 | 37415 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 3 | D | ||
| Head Cabbage | 4 | D | ||
| Cantaloupes | 20 | 143 | ||
| Cucumbers & Pickles | 8 | 9 | ||
| Eggplant | 3 | D | Webster | |
| Hot Peppers | 4 | D | ||
| Sweet Peppers | 8 | 20 | ||
| Potatoes | 5 | D | D | |
| Pumpkins | 6 | 51 | ||
| Squash | 4 | 18 | ||
| Sweet Corn | 21 | 255 | ||
| Tomatoes | 13 | 22 | ||
| Watermelons | 16 | 172 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 6 | 8 | 298 trees | |
| Strawberries | 3 | D | 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 | 8 | D | 31 | 840 |
| Florculture Crops | 4 | D | D | 811 |
| Bedding/Garden Plants | 4 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.