Total population (1990 census): 182120
County seat: Oroville
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 | 8 | 1055 | 138556 bu | |
| Wheat for Grain, Total | 23 | 3869 | 244982 bu | |
| Popcorn | 3 | 3 | 6100 lbs shelled | |
| Rice | 265 | 102410 | 8392831 cwt | |
| Safflower | 17 | 2779 | 5734200 lbs | |
| Sunflower Seed | 9 | 536 | 848684 lbs | |
| Wild Rice | 7 | 1754 | 1029360 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Dry Edible Beans | 25 | 2455 | 53620 cwt | |
| Dry Lima Beans | 12 | 705 | 17889 cwt | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 109 | 6343 | 22384 tons, dry | |
| Alfalfa Hay | 31 | 2114 | 13099 tons, dry | |
| Small Grain Hay | 43 | 2065 | 4799 tons, dry | |
| Tame Hay | 36 | 1199 | 2867 tons, dry | |
| Wild Hay | 14 | D | 1074 tons dry | |
| Grass Silage | 6 | D | 1638 tons, grn | |
| Corn for Silage | 3 | D | D | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 9 | D | ||
| Beets | 5 | 2 | ||
| Sugar Beets for Sugar | 3 | 307 | 5494 tons | |
| Head Cabbage | 3 | 1 | ||
| Cantaloupes | 11 | 31 | ||
| Carrots | 3 | 1 | ||
| Chinese Peas | 3 | D | ||
| Cucumbers & Pickles | 8 | D | ||
| Eggplant | 6 | 1 | ||
| Garlic | 6 | 2 | ||
| Herbs, Fresh Cut | 8 | 13 | ||
| Honeydew Melons | 3 | 2 | ||
| Lettuce and Romaine | 10 | 7 | ||
| Dry Onions | 4 | D | ||
| Okra | 3 | 1 | ||
| Sweet Peppers | 9 | 2 | ||
| Pumpkins | 8 | 85 | ||
| Squash | 14 | 119 | ||
| Sweet Corn | 14 | 11 | ||
| Tomatoes | 29 | 127 | ||
| Mixed Vegetables | 20 | 19 | ||
| Watermelons | 13 | 35 | ||
| Other Vegetables | 7 | D | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 39 | 444 | 83426 trees | |
| Apricots | 13 | 34 | D | |
| Cherries, Total | 12 | 6 | 565 trees | |
| Sweet Cherries | 11 | D | D | |
| Figs | 4 | D | D | |
| Grapes | 35 | 477 | 216713 vines | |
| Kiwifruit | 113 | 1475 | 223918 trees | |
| Nectarines | 17 | 92 | 14736 trees | |
| Olives | 97 | 2573 | 202829 trees | |
| Peaches | 78 | 2441 | 284576 trees | |
| Pears | 16 | 28 | 4044 trees | |
| Persimmons | 29 | 96 | 11110 trees | |
| Plums and Prunes | 175 | 16138 | 1896736 trees | |
| Pomegranates | 4 | 1 | D | |
| Oranges | 33 | 228 | 228 trees | |
| Other Tangerines | 23 | 64 | 8320 trees | |
| Almonds | 468 | 45911 | 3837362 | |
| Pecans | 10 | 218 | 12190 in shell | |
| Pistachios | 20 | 562 | 70193 in shell | |
| English Walnuts | 484 | 27288 | 1090006 in shell | |
| Blackberries | 7 | 11 | 30600 lbs | |
| Boysenberries | 5 | 4 | 7650 lbs | |
| Raspberries | 3 | 1 | D | |
| Strawberries | 11 | 34 | 268280 lbs | |
| Other Crops | Farms | Acres | Yield | |
| Herbs, Total | 8 | 13 | 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 | 98 | 168765 | 352 | 5198 |
| Nursery, Floriculture Vegetable and Flower Seed Crops | 78 | X | 300 | X |
| Floriculture Crops | 51 | 144987 | 32 | 1220 |
| Bedding and Garden Plants | 21 | 103150 | 16 | 749 |
| Cut Flowers and Cut Florist Greens | 14 | D | D | 42 |
| Foliage Plants | 9 | 19337 | D | 229 |
| Potted Flowering Plants | 12 | D | 10 | 200 |
| Bulbs, Corms, Rhizomes, and Tubers | 6 | D | 8 | 74 |
| Cut Christmas Trees Harvested | 14 | X | 51 | 126 |
| Nursery Crops | 32 | 21358 | 143 | 3129 |
| Vegetable and Flower Seeds | 3 | D | D | 3 |
| Other Nursery and Greenhouse Crops | 9 | D | 48 | 11 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.