Total population (1990 census): 11128
County seat: Hiawatha
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 336 | 78782 | 8011789 bu | |
| Sorghum for Grain or Seed | 206 | 19478 | 1807382 bu | |
| Wheat for Grain, Total | 229 | 18515 | 919940 bu | |
| Oats | 61 | 1223 | 96995 bu | |
| Sunflower Seed | 7 | 275 | 173454 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 420 | 100320 | 3664897 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 13 | D | X | |
| Red Clover Seed | 11 | 223 | 21930 lbs | |
| Total Hay* | 304 | 16922 | 38086 tons, dry | |
| Alfalfa Hay | 95 | 2302 | 8296 tons, dry | |
| Small Grain Hay | 10 | 260 | 433 tons, dry | |
| Tame Hay | 264 | 13262 | 27647 tons, dry | |
| Wild Hay | 12 | 456 | 367 tons dry | |
| Grass Silage | 12 | 642 | 4030 tons, grn | |
| Corn for Silage | 30 | 1185 | 20957 tons, grn | |
| Sorghum for Silage | 14 | 408 | 4417 tons, grn | |
| 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 | 3 | D | D | 56 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.