Total population (1990 census): 35244
County seat: Macomb
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 592 | 133478 | 17812630 bu | |
| Wheat | 53 | 2215 | 140513 bu | |
| Oats | 40 | 667 | 44859 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 303 | 9151 | 27592 tons, dry | |
| Alfalfa Hay | 253 | 7058 | 23566 tons, dry | |
| Small Grain Hay | 20 | 238 | 468 tons, dry | |
| Tame Hay | 60 | 1300 | 2553 tons, dry | |
| Wild Hay | 15 | 300 | 570 tons dry | |
| Grass Silage | 14 | 255 | 1312 tons, grn | |
| Corn for Silage | 39 | 1131 | 16399 tons, grn | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 578 | 128736 | 5675563 bu | |
| Fruits | Farms | Acres | Yield | |
| Apples | 3 | (D) | 535 trees | |
| 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 | 10 | 31180 | 35 | (D) |
| Florculture Crops | 6 | 31180 | (D) | (D) |
| Bedding/Garden Plants | 6 | (D) | (D) | (D) |
| Cut Christmas Trees Harvested | 3 | (X) | (Z) | 5 |
| Nursery Crops | 3 | - | (D) | (D) |
| Other Nursery and Greenhouse Crops | 3 | - | 21 | 3 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.
Z=Less than half of the unit shown.