Total population (1990 census): 187328
County seat: Ellicott City
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 | 53 | 7632 | 532763 bu | |
| Wheat | 35 | 2211 | 130754 bu | |
| Barley | 24 | 1272 | 104903 bu | |
| Oats | 3 | D | D | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 44 | 4717 | 126453 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 138 | 6502 | 10602 tons, dry | |
| Alfalfa Hay | 37 | 1010 | 1756 tons, dry | |
| Small Grain Hay | 6 | 231 | 322 tons, dry | |
| Tame Hay | 105 | 4193 | 6808 tons, dry | |
| Wild Hay | 17 | 403 | 342 tons dry | |
| Grass Silage | 14 | 665 | 4122 tons, grn | |
| Corn for Silage | 21 | 1595 | 15668 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Beans | 9 | 6 | ||
| Beets | 5 | 3 | ||
| Broccoli | 4 | D | ||
| Cantaloupes | 9 | 12 | ||
| Cucumbers and Pickles | 5 | 6 | ||
| Eggplant | 8 | 7 | ||
| Lettuce and Romaine | 3 | 1 | ||
| Green Onions | 4 | 1 | ||
| Green Peas | 4 | D | ||
| Sweet Peppers | 7 | D | ||
| Potatoes | 6 | 9 | 900 cwt | |
| Pumpkins | 9 | 27 | ||
| Squash | 5 | D | ||
| Sweet Corn | 15 | 112 | ||
| Tomatoes | 14 | 35 | ||
| Watermelons | 5 | 2 | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 14 | 46 | 7452 trees | |
| Cherries, Total | 5 | 2 | 105 trees | |
| Tart Cherries | 4 | D | D | |
| Grapes | 8 | 11 | 1180 vines | |
| Peaches | 8 | 44 | 6308 trees | |
| Blackberries | 4 | D | D | |
| Raspberries | 5 | D | D | |
| Strawberries | 4 | 20 | 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 | 46 | 593236 | 1285 | 8664 |
| Nursery, Floriculture Vegetable and Flower Seed Crops | 14 | X | D | X |
| Floriculture Crops | 19 | 450568 | 8 | D |
| Bedding and Garden Plants | 15 | 364252 | D | D |
| Cut Flowers and Cut Florist Greens | 5 | D | 3 | 41 |
| Potted Flowering Plants | 4 | D | D | D |
| Cut Christmas Trees Harvested | 13 | X | 48 | 121 |
| Nursery Crops | 16 | D | 317 | 1678 |
| Sod Harvested | 3 | X | D | D |
| Other Nursery and Greenhouse Crops | 5 | D | 67 | 14 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.