Total population (1996 census): 62,254
County seat: Marietta
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 300 | 10690 | 1261046 bu | |
| Wheat for Grain, Total | 104 | 1850 | 74400 bu | |
| Barley | 9 | 104 | 5077 bu | |
| Oats | 28 | 280 | 12624 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 90 | 4478 | 201678 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 673 | 23755 | 50833 tons, dry | |
| Alfalfa Hay | 309 | 7652 | 21426 tons, dry | |
| Small Grain Hay | 45 | 658 | 1179 tons, dry | |
| Tame Hay | 384 | 11625 | 22166 tons, dry | |
| Wild Hay | 87 | 2146 | 3300 tons dry | |
| Grass Silage | 63 | 1674 | 8284 tons, grn | |
| Corn for Silage | 80 | 1520 | 25055 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 5 | 6 | ||
| Head Cabbage | 7 | 32 | ||
| Cantaloupes | 12 | 49 | ||
| Cucumbers & Pickles | 5 | 10 | ||
| Hot Peppers | 8 | 15 | ||
| Sweet Peppers | 14 | 43 | ||
| Potatoes | 15 | 72 | 15454 bu | |
| Pumpkins | 13 | 64 | ||
| Squash | 7 | 4 | ||
| Sweet Corn | 22 | 400 | ||
| Tomatoes | 21 | 80 | ||
| Watermelons | 5 | 21 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 14 | 83 | 1868 trees | |
| Cherries, Total | 4 | 10 | 263 trees | |
| Cherries, Not Specified | 4 | 10 | 263 trees | |
| Grapes | 9 | 2 | 693 vines | |
| Peaches | 9 | D | D | |
| Pears | 3 | 1 | 10 trees | |
| Plums and Prunes | 3 | D | D | |
| Blackberries | 6 | 18 | 16242 lbs | |
| Tame Blueberries | 5 | 7 | 9140 lbs | |
| Strawberries | 8 | 16 | 88925 lbs | |
| 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 | 28 | 283350 | 162 | 1412 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 7 | X | 3 | X |
| Florculture Crops | 17 | 255898 | D | 1010 |
| Bedding/Garden Plants | 13 | 147029 | 1 | 526 |
| Foliage Plants | 5 | D | D | D |
| Potted Flowering Plants | 9 | 94445 | 2 | 373 |
| Cut Christmas Trees Harvested | 9 | X | 54 | 221 |
| Nursery Crops | 4 | D | D | 120 |
| Other Nursery and Greenhouse Crops | 4 | D | 53 | 4 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.