Total population (1990 census): 340421
County seat: Fairfield
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 | 55 | 21150 | 3607320 bu | |
| Wheat for Grain, Total | 73 | 29044 | 1678076 bu | |
| Barley | 11 | 4230 | 171718 bu | |
| Oats | 3 | 405 | 53137 bu | |
| Popcorn | 3 | D | D | |
| Safflower | 27 | 6360 | 11836445 lbs | |
| Sunflower Seed | 19 | 5452 | 5613930 lbs | |
| Grain Legumes | Farms | Acres | Yield | |
| Dry Edible Beans | 26 | 4417 | 94448 cwt | |
| Dry Lima Beans | 12 | 1295 | 29211 cwt | |
| Dry Cowpeas and Dry Southern Peas | 3 | 126 | 3518 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 133 | 31294 | 172377 tons, dry | |
| Alfalfa Hay | 70 | 21942 | 153404 tons, dry | |
| Small Grain Hay | 42 | D | 5458 tons, dry | |
| Tame Hay | 18 | 3821 | 8489 tons, dry | |
| Wild Hay | 32 | 2794 | D | |
| Corn for Silage | 8 | 871 | 18985 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Sugar Beets for Sugar | 14 | 3973 | 113870 tons | |
| Cucumbers & Pickles | 4 | D | ||
| Eggplant | 3 | D | ||
| Garlic | 3 | D | ||
| Dry Onions | 3 | 2 | ||
| Sweet Peppers | 5 | D | ||
| Pumpkins | 3 | D | ||
| Sweet Corn | 6 | D | ||
| Tomatoes | 36 | 13807 | ||
| Other Vegetables | 4 | 25 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 16 | 129 | D | |
| Apricots | 50 | 499 | 36323 trees | |
| Cherries, Total | 18 | 90 | 8669 trees | |
| Sweet Cherries | 16 | D | D | |
| Figs | 7 | 2 | 128 trees | |
| Grapes | 62 | 2649 | 1459137 vines | |
| Kiwifruit | 4 | 47 | 6855 trees | |
| Nectarines | 9 | 9 | 940 trees | |
| Olives | 3 | D | D | |
| Peaches | 39 | 211 | 21463 trees | |
| Pears | 32 | 1018 | 126053 trees | |
| Persimmons | 11 | 26 | 1813 trees | |
| Plums and Prunes | 82 | 2510 | 265787 trees | |
| Pomegranates | 3 | D | D | |
| Grapefruit | 4 | 1 | 35 trees | |
| Lemons | 6 | 1 | 78 trees | |
| Oranges | 19 | 34 | 3841 trees | |
| Tangelos | 3 | D | D | |
| Other Tangerines | 7 | 2 | 192 trees | |
| Almonds | 46 | 1510 | 131911 | |
| Pecans | 3 | Z | 9 in shell | |
| Pistachios | 3 | D | D | |
| English Walnuts | 192 | 6648 | 323228 in shell | |
| Other Nuts | 4 | 10 | 178 in shell | |
| Other Crops | Farms | Acres | Yield | |
| Herbs, Total | 3 | 2 | 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 | 49 | 752612 | 1779 | 15573 |
| Nursery, Floriculture Vegetable and Flower Seed Crops | 38 | X | 1778 | X |
| Floriculture Crops | 22 | 49850 | 27 | 549 |
| Bedding and Garden Plants | 11 | D | 4 | 444 |
| Cut Flowers and Cut Florist Greens | 7 | D | 21 | 81 |
| Potted Flowering Plants | 4 | D | 3 | 24 |
| Nursery Crops | 17 | 20602 | 529 | 4635 |
| Vegetable and Flower Seeds | 6 | D | 877 | 1243 |
| Greenhouse Vegetables | 4 | D | X | 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.