Total population (1990 census): 50463
County seat: Bozeman
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Small Fruits
Tree Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Wheat for Grain, Total | 198 | 46145 | 2422310 bu | |
| Spring Wheat | 127 | 19018 | 1092628 bu | |
| Durum Wheat | 5 | 210 | 11970 bu | |
| Winter Wheat | 115 | 26917 | 1317712 bu | |
| Barley | 219 | 39015 | 2466491 bu | |
| Oats | 21 | 659 | 52440 bu | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 3 | 327 | X | |
| Total Hay* | 525 | 73766 | 198261 tons, dry | |
| Alfalfa Hay | 416 | 53599 | 157687 tons, dry | |
| Small Grain Hay | 52 | 2520 | 5944 tons, dry | |
| Tame Hay | 101 | 6631 | 13538 tons, dry | |
| Wild Hay | 94 | 5845 | 9960 tons dry | |
| Grass Silage | 39 | 5171 | 33393 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Beans | 5 | 4 | ||
| Sugar Beets for Sugar | 1 | D | D | |
| Carrots | 5 | 4 | ||
| Green Peas | 5 | 2 | ||
| Potatoes | 30 | 3630 | 1219300 cwt | |
| Squash | 7 | 5 | ||
| Sweet Corn | 10 | 14 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 4 | 12 | D | |
| Raspberries | 4 | D | D | |
| 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 | 27 | 101140 | 231 | 2035 |
| Nursery, Floriculture Vegetable and Flower Seed Crops | 14 | X | 229 | X |
| Floriculture Crops | 16 | 93440 | 10 | 815 |
| Bedding/Garden Plants | 12 | D | D | 746 |
| Cut Flowers and Cut Florist Greens | 4 | D | D | D |
| Nursery Crops | 6 | D | 55 | 457 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.