Total population (1990 census): 9525
County seat: Pocahontas
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 703 | 163570 | 23291520 bu | |
| Oats | 52 | 842 | 69278 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 698 | 164947 | 7554633 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 136 | 2115 | 4636 tons, dry | |
| Alfalfa Hay | 94 | 1285 | 3472 tons, dry | |
| Small Grain Hay | 25 | 316 | 467 tons, dry | |
| Tame Hay | 39 | 405 | 545 tons, dry | |
| Wild Hay | 5 | 77 | 128 tons dry | |
| Grass Silage | 3 | 32 | 71 tons, grn | |
| Corn for Silage | 32 | 644 | 11480 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 3 | 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 | 11 | 20980 | 55 | 221 |
| Florculture Crops | 3 | 8100 | D | 64 |
| Bedding/Garden Plants | 3 | 8100 | D | 64 |
| Greenhouse Vegetables | 3 | 11880 | X | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.