Total population (1990 census): 11624
County seat: Sigourney
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 588 | 98836 | 13620395 bu | |
| Wheat for Grain, Total | 12 | 273 | 13949 bu | |
| Oats | 99 | 2121 | 137785 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 550 | 80464 | 3972982 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 374 | 15280 | 47276 tons, dry | |
| Alfalfa Hay | 338 | 13039 | 43112 tons, dry | |
| Small Grain Hay | 34 | 627 | 1101 tons, dry | |
| Tame Hay | 60 | 1188 | 2349 tons, dry | |
| Wild Hay | 5 | 149 | 168 tons dry | |
| Grass Silage | 6 | 277 | 1640 tons, grn | |
| Corn for Silage | 45 | 913 | 15904 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Pumpkins | 3 | 3 | ||
*Alfalfa, grass silage, green chops etc.