Total population (1990 census): 33683
County seat: Waterloo
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 176 | 26722 | 2940061 bu | |
| Wheat | 115 | 7907 | 455146 bu | |
| Barley | 14 | 695 | 39313 bu | |
| Buckwheat | 10 | 342 | 5903 bu | |
| Oats | 66 | 3398 | 250985 bu | |
| Rye | 8 | 107 | 3740 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 133 | 18862 | 728654 bu | |
| Dry Edible Beans | 13 | 676 | 9917 cwt | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 11 | 507 | X | |
| Red Clover Seed | 9 | 401 | 44780 lbs | |
| Total Hay* | 255 | 18808 | 41471 tons, dry | |
| Alfalfa Hay | 171 | 9140 | 23663 tons, dry | |
| Small Grain Hay | 12 | 286 | 303 tons, dry | |
| Tame Hay | 115 | 4803 | 8877 tons, dry | |
| Wild Hay | 17 | 456 | 359 tons dry | |
| Grass Silage | 63 | 4123 | 24815 tons, grn | |
| Corn for Silage | 91 | 5347 | 81474 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Beans | 6 | D | ||
| Head Cabbage | 5 | 12 | ||
| Cantaloups | 3 | 3 | ||
| Cucumbers and Pickles | 3 | 1 | ||
| Garlic | 4 | 1 | ||
| Green Peas | 8 | 706 | ||
| Sweet Peppers | 6 | 12 | ||
| Potatoes | 4 | D | D | |
| Pumpkins | 8 | 20 | ||
| Squash | 6 | 9 | ||
| Sweet Corn | 22 | 378 | ||
| Tomatoes | 10 | 11 | ||
| Other Vegetables | 4 | D | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 18 | 162 | 11065 trees | |
| Cherries, Total | 4 | D | D | |
| Sweet Cherries | 4 | D | D | |
| Grapes | 31 | 1997 | 1451485 vines | |
| Peaches | 4 | 10 | 746 trees | |
| Pears | 3 | 1 | D | |
| Raspberries | 4 | D | 5967 lbs | |
| Strawberries | 9 | 16 | 29725 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 | 23 | 98760 | 174 | 508 |
| Floriculture Crops | 12 | D | 3 | 421 |
| Bedding and Garden Plants | 12 | 75260 | 3 | D |
| Cut Christmas Trees Harvested | 6 | X | 5 | 62 |
| Other Nursery and Greenhouse Crops | 9 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.