Total population (1990 census): 10928
County seat: Osage
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 627 | 121677 | 17520175 bu | |
| Oats | 154 | 3355 | 255537 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 586 | 92807 | 4202974 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 262 | 8439 | 20915 tons, dry | |
| Alfalfa Hay | 216 | 5706 | 15890 tons, dry | |
| Small Grain Hay | 46 | 566 | 1125 tons, dry | |
| Tame Hay | 46 | 714 | 1330 tons, dry | |
| Wild Hay | 7 | 139 | 231 tons dry | |
| Grass Silage | 34 | 1314 | 7020 tons, grn | |
| Corn for Silage | 157 | 6614 | 109208 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Head Cabbage | 3 | D | ||
| Green Peas | 8 | 347 | ||
| Potatoes | 7 | 5 | 1672 bu | |
| Pumpkins | 4 | 7 | ||
| Squash | 4 | 13 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 3 | D | D | |
| Raspberries | 4 | 2 | 800 lbs | |
| Strawberries | 3 | Z | 750 lbs | |
| 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 | 13 | 12668 | 15 | 173 |
| Florculture Crops | 3 | D | D | D |
| Bedding/Garden Plants | 3 | D | D | D |
| Cut Christmas Trees Harvested | 5 | X | 11 | 91 |
| Nursery Crops | 3 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.
Z=Less than half of the unit shown.