Total population (1990 census): 696,004
State Capital: Pierre
For CropSELECT see county pages.
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 14342 | 3175113 | 295056391 bu | |
| Sorghum for Grain or Seed | 753 | 106218 | 6475034 bu | |
| Wheat | 9561 | 3177527 | 89470811 bu | |
| Durum Wheat for Grain | 144 | 38691 | 1063228 bu | |
| Other Spring Wheat | 7093 | 1852380 | 51327468 bu | |
| Winter Wheat for Grain | 4461 | 1286456 | 37080115 bu | |
| Barley | 966 | 104892 | 4233108 bu | |
| Buckwheat | 45 | 3507 | 74400 bu | |
| Canola | 18 | 1692 | 1610818 lbs | |
| Flaxseed | 85 | 9504 | 152429 bu | |
| Mustard Seed | 3 | D | D | |
| Oats | 3729 | 253972 | 13726509 bu | |
| Popcorn | 28 | 5342 | 18699650 lbs shelled | |
| Proso Millet | 656 | 122451 | 3850169 bu | |
| Rye | 224 | 16874 | 486158 bu | |
| Safflower | 42 | 10656 | 6084510 lbs | |
| Sunflower Seed | 2858 | 740707 | 1041102232 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 11700 | 2939146 | 100762163 bu | |
| Dry Edible Beans | 104 | 23167 | 448294 cwt | |
| Dry Edible Peas | 18 | 2527 | 4476590 lbs | |
| Lentils | 4 | D | D | |
| Forages | Farms | Acres | Yield | |
| Field Seed and Grass Seed Crops | 203 | 25036 | X | |
| Alfalfa Seed | 121 | 12136 | 565596 lbs | |
| Bromegrass Seed | 7 | 728 | 131874 lbs | |
| Fescue Seed | 1 | D | D | |
| Sweetclover Seed | 1 | D | D | |
| Timothy Seed | 2 | D | D | |
| Wheatgrass Seed | 46 | 6616 | 521717 lbs | |
| Other Seeds | 36 | 5419 | 808028 lbs | |
| Total Hay* | 19298 | 3584798 | 6590651 tons, dry | |
| Alfalfa Hay | 16085 | 2070754 | 4459532 tons, dry | |
| Small Grain Hay | 1956 | 126090 | 194612 tons, dry | |
| Tame Hay | 5843 | 517567 | 825680 tons, dry | |
| Wild Hay | 7635 | 806751 | 993291 tons dry | |
| Grass Silage | 775 | 63636 | 352618 tons, grn | |
| Corn for Silage or Green Chop | 4785 | 308116 | 3061677 tons, grn | |
| Corn Cut for Dry Fodder | 2 | D | X | |
| Sorghum Cut for Dry Forage or Hay | 26 | 3577 | 8512 | |
| Sorghum for Silage or Green Chop | 773 | 39900 | 377917 tons, grn | |
| Sorghum Hogged or Grazed | 19 | 646 | X | |
| Vegetables | Farms | Acres | Yield | |
| Asparagus | 9 | 9 | ||
| Snap Beans | 19 | 5 | ||
| Beets | 13 | 2 | ||
| Head Cabbage | 8 | 1 | ||
| Cantaloups | 29 | 173 | ||
| Carrots | 7 | 3 | ||
| Cauliflower | 1 | D | ||
| Cucumbers and Pickles | 23 | 9 | ||
| Eggplant | 2 | D | ||
| Lettuce and Romaine | 1 | D | ||
| Dry Onions | 11 | 7 | ||
| Green Onions | 1 | D | ||
| Parsley | 1 | D | ||
| Green Peas | 12 | 4 | ||
| Hot Peppers | 3 | 1 | ||
| Sweet Peppers | 14 | 5 | ||
| Potatoes | 49 | 4386 | 932485 cwt | |
| Pumpkins | 47 | 149 | ||
| Radishes | 1 | D | ||
| Squash | 41 | 95 | ||
| Sweet Corn | 93 | 413 | ||
| Tomatoes | 41 | 35 | ||
| Mixed Vegetables | 10 | 10 | ||
| Watermelons | 40 | 304 | ||
| Other Vegetables | 10 | 13 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 36 | 221 | 25793 trees | |
| Cherries, Total | 12 | 10 | 590 trees | |
| Sweet Cherries | 3 | Z | 19 trees | |
| Tart Cherries | 9 | 10 | 571 trees | |
| Grapes | 9 | 7 | 1858 trees | |
| Peaches | 5 | D | D | |
| Pears | 5 | 2 | D | |
| Plums and Prunes | 17 | D | 1425 | |
| English Walnuts | 1 | D | D | |
| Other Fruits and Nuts | 10 | 38 | 3369 | |
| Blackberries | 2 | D | D | |
| Raspberries | 13 | 18 | 9809 lbs | |
| Strawberries | 12 | 22 | 86470 lbs | |
| Other Crops | Farms | Acres | Yield | |
| Herbs, Dried | 1 | D | D | |
| Mint for Oil | 2 | D | D | |
| Other | 34 | 2852 | X | |
| 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 | 122 | 1475765 | 2862 | 21621 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 39 | X | 655 | X |
| Floriculture Crops | 56 | 1458013 | D | 10507 |
| Bedding and Garden Plants | 53 | 1197813 | 61 | 8901 |
| Cut Flowers and Cut Florist Greens | 4 | D | D | D |
| Foliage Plants | 5 | D | D | D |
| Potted Flowering Plants | 18 | 181580 | D | 1186 |
| Bulbs, Corms, Rhizomes, and Tubers | 3 | D | 10 | D |
| Cut Christmas Trees Harvested | 15 | X | 129 | 147 |
| Nursery Crops | 45 | D | 618 | 5526 |
| Sod Harvested | 7 | X | 326 | 1182 |
| Vegetable and Flower Seeds | 3 | D | D | D |
| Greenhouse Vegetables | 4 | D | X | 25 |
| Other Nursery and Greenhouse Crops | 17 | D | 113 | 77 |
*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.