Total population (1990 census): 41699
County seat: Clarion
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 | 175 | 7248 | 491358 bu | |
| Wheat | 18 | 598 | 28807 bu | |
| Barley | 13 | 362 | 15905 bu | |
| Oats | 148 | 3280 | 175800 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybeans for Beans | 14 | 867 | 29159 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 382 | 29807 | 61855 tons, dry | |
| Alfalfa Hay | 196 | 9823 | 27252 tons, dry | |
| Small Grain Hay | 22 | 418 | 548 tons, dry | |
| Tame Hay | 259 | 13893 | 24592 tons, dry | |
| Wild Hay | 40 | 1471 | 1905 tons dry | |
| Grass Silage | 63 | 4196 | 22673 tons, grn | |
| Corn for Silage or Green Chop | 92 | 3927 | 37374 tons, green | |
| Sorghum for Silage or Green Chop | 4 | 45 | 250 tons, green | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Peppers | 3 | D | ||
| Potatoes | 8 | D | D | |
| Sweet Corn | 15 | 74 | ||
| Tomatoes | 3 | D | ||
| Fruits and Nuts | Farms | Acres | Yield | |
| Apples | 16 | 89 | 15533 trees | |
| Grapes | 5 | 6 | 1379 vines | |
| Tame Blueberries | 4 | 1 | 945 lbs | |
| Raspberries | 3 | D | D | |
| Strawberries | 5 | 16 | 22750 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 | 24 | 153812 | 69 | 589 |
| Floriculture Crops | 11 | 135612 | D | 444 |
| Bedding and Garden Plants | 11 | 117012 | D | 278 |
| Cut Christmas Trees Harvested | 7 | X | 27 | D |
| Greenhouse Vegetables | 3 | 12800 | X | 26 |
| Other Nursery and Greenhouse Crops | 7 | D | 38 | 36 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.