Total population (1990 census): 13347
County seat: Lamar
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 122 | 19561 | 2815177 bu | |
| Sorghum for Grain or Seed | 105 | 15652 | 674060 bu | |
| Wheat | 214 | 119337 | 3595043 bu | |
| Winter Wheat | 214 | (D) | (D) | |
| Barley | 6 | 731 | (D) | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 243 | 71283 | 281905 tons, dry | |
| Alfalfa Hay | 218 | 65724 | 270491 tons, dry | |
| Small Grain Hay | 15 | 966 | 1640 tons, dry | |
| Tame Hay | 46 | 4021 | 8215 tons, dry | |
| Wild Hay | 4 | 232 | 446 tons dry | |
| Grass Silage | 6 | 340 | 3340 tons, grn | |
| Corn for Silage | 22 | 2527 | 49354 tons, grn | |
| Sorghum Cut for Dry Forage or Hay | 10 | 746 | 1339 tons, dry | |
| Sorghum for Silage | 18 | 1310 | 19513 tons, grn | |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.