Total population (1990 census): 67139
County seat: Manhattan
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 | 63 | 5222 | 553697 bu | |
| Sorghum for Grain or Seed | 185 | 19771 | 1587415 bu | |
| Wheat for Grain, Total | 240 | 26164 | 1304909 bu | |
| Oats | 42 | 955 | 45102 bu | |
| Sunflower Seed | 4 | 167 | 162750 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 210 | 17353 | 582359 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 277 | 19653 | 35623 tons, dry | |
| Alfalfa Hay | 172 | 5964 | 20588 tons, dry | |
| Small Grain Hay | 9 | 429 | 599 tons, dry | |
| Tame Hay | 146 | 3764 | 6118 tons, dry | |
| Wild Hay | 151 | 9083 | 7598 tons dry | |
| Grass Silage | 8 | 413 | 2159 tons, grn | |
| Corn for Silage | 27 | 1100 | 14654 tons, grn | |
| Sorghum for Silage | 39 | 908 | 12573 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Cantaloupes | 3 | 26 | ||
| Cucumbers and Pickles | 3 | D | ||
| Potatoes | 4 | 7 | 882 cwt | |
| Pumpkins | 6 | 16 | ||
| Sweet Corn | 4 | 73 | ||
| Tomatoes | 3 | 3 | ||
| Watermelons | 6 | 57 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 5 | 11 | 401 trees | |
| Grapes | 3 | Z | 44 vines | |
| Strawberries | 5 | 13 | 7278 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 | 9 | D | 16 | D |
| Florculture Crops | 5 | D | D | D |
| Bedding/Garden Plants | 4 | D | D | D |
| Cut Christmas Trees Harvested | 3 | X | 3 | 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.