Total population (1990 census): 818358
County seat: Fairfax
CropSELECT
Cereals, Pseudocereals, Oilseeds
Industrial, Fiber
Forages
Vegetables
Fruits and Nuts
Herb, Aromatic, Medicinal, and Bioactive
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 3 | 11 | 660 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 21 | 1515 | 2956 tons, dry | |
| Alfalfa Hay | 3 | D | D | |
| Tame Hay | 19 | 1307 | 2706 tons, dry | |
| Grass Silage | 3 | D | D | |
| Vegetables | Farms | Acres | Yield | |
| Snap Beans | 4 | D | ||
| Sweet Peppers | 6 | 4 | ||
| Pumpkins | 3 | D | ||
| Spinach | 3 | D | ||
| Sweet Corn | 4 | 49 | ||
| Tomatoes | 6 | 8 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 8 | 9 | 617 trees | |
| Cherries, Total | 5 | 4 | 318 trees | |
| Grapes | 4 | 1 | D | |
| Peaches | 7 | 24 | D | |
| Pears | 3 | D | D | |
| Plums and Prunes | 7 | 3 | 198 | |
| Pecans | 5 | 3 | 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 | 29 | 218524 | 66 | 3242 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 4 | X | 17 | X |
| Floriculture Crops | 19 | 195712 | 6 | 1505 |
| Bedding/Garden Plants | 14 | 151800 | D | 1175 |
| Cut Flowers and Cut Florist Greens | 4 | D | D | 6 |
| Nursery Crops | 8 | 14400 | 27 | D |
| Vegetable and Flower Seeds | 3 | D | D | D |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.