Total population (1990 census): 4463
County seat: Wheaton
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 220 | 63946 | 8232884 bu | |
| Wheat for Grain, Total | 275 | 77398 | 2920421 bu | |
| Spring Wheat for Grain | 275 | 77398 | 2920421 bu | |
| Barley | 29 | 3009 | 181478 bu | |
| Oats | 6 | 2016 | 99750 bu | |
| Sunflower | 3 | 555 | 666000 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 309 | 127872 | 4464175 bu | |
| Dry Edible Beans | 5 | 961 | 19625 cwt | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 101 | 7000 | 18353 tons, dry | |
| Alfalfa Hay | 90 | 6082 | 16883 tons, dry | |
| Tame Hay | 13 | 334 | 581 tons, dry | |
| Wild Hay | 14 | 393 | D | |
| Grass Silage | 5 | D | 899 tons, grn | |
| Corn for Silage | 29 | 940 | 12630 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sugar Beets for Sugar | 34 | 7341 | 137141 t | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.