
Total population (1990 census): 12599
County seat: O'Neill
CropSELECT
Extension officeCrop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 471 | 164150 | 23234803 bu | |
| Sorghum for Grain or Seed | 4 | 160 | 8480 bu | |
| Wheat | 18 | 2353 | 58928 bu | |
| Oats | 49 | 4088 | 267446 bu | |
| Popcorn | 35 | 8532 | 30978996 lbs, shelled | |
| Rye | 39 | 1310 | 26311 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 808 | 242906 | 326317 tons, dry | |
| Alfalfa Hay | 344 | 30719 | 68556 tons, dry | |
| Small Grain Hay | 36 | 2280 | 3055 tons, dry | |
| Tame Hay | 152 | 23337 | 34235 tons, dry | |
| Wild Hay | 615 | 185859 | 219172 tons dry | |
| Grass Silage | 17 | 711 | 3895 tons, grn | |
| Corn for Silage | 104 | 4309 | 59205 tons, grn | |
| Sorghum for Silage | 13 | 421 | 4337 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 294 | 62953 | 2969063 bu | |
| Dry Edible Beans | 12 | 3428 | 82544 CWT | |
| Potatoes | 3 | (D) | (D) | |
| Vegetables | Farms | Acres | Yield | |
| Sweet Corn | 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 | 4 | (D) | (D) | (D) |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.