Total population (1990 census): 12638
County seat: Garner
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 699 | 164212 | 22787740 bu | |
| Oats | 66 | 887 | 61818 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 680 | 136208 | 5650708 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 194 | 3775 | 9619 tons, dry | |
| Alfalfa Hay | 135 | 1961 | 5515 tons, dry | |
| Small Grain Hay | 40 | 559 | 1599 tons, dry | |
| Tame Hay | 46 | 714 | 1565 tons, dry | |
| Wild Hay | 19 | 367 | 622 tons dry | |
| Grass Silage | 10 | 174 | 952 tons, grn | |
| Corn for Silage | 62 | 1225 | 21772 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 3 | 6 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 3 | 11 | D | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.