Total population (1990 census): 145607
County seat: Port Huron
Crop Statistics (1997 US Census of Agriculture)
| Cereals | Farms | Acres | Yield | |
| Maize=Corn | 242 | 18226 | 1881850 bu | |
| Wheat for Grain, Total | 231 | 11136 | 568561 bu | |
| Spring Wheat | 4 | 46 | 1566 bu | |
| Winter Wheat | 230 | 11090 | 566995 bu | |
| Barley | 4 | 353 | 22871 bu | |
| Oats | 54 | 911 | 55291 bu | |
| Grain Legumes | Farms | Acres | Yield | |
| Soybean | 386 | 64317 | 2117505 bu | |
| Dry Edible Beans, Excluding Dry Limas | 7 | 1094 | (D) | |
| Sugar Beets for Sugar | 8 | 1543 | 27496 bu | |
| Forages | Farms | Acres | Yield | |
| Total Hay* | 462 | 20088 | 41743 tons, dry | |
| Alfalfa Hay | 311 | 10573 | 24621 tons, dry | |
| Small Grain Hay | 18 | 286 | 602 tons, dry | |
| Tame Hay | 192 | 6338 | 12562 tons, dry | |
| Wild Hay | 54 | 1368 | 1883 tons dry | |
| Grass Silage | 41 | 1523 | 6236 tons, grn | |
| Corn for Silage | 69 | 2105 | 21735 tons, grn | |
| Vegetables | Farms | Acres | Yield | |
| Snap Bean | 10 | 12 | ||
| Broccoli | 6 | 9 | ||
| Head Cabbage | 9 | 57 | ||
| Cantaloupes | 5 | 11 | ||
| Carrots | 3 | (D) | ||
| Cauliflower | 6 | 10 | ||
| Cucumbers & Pickles | 8 | 9 | ||
| Herbs, Fresh Cut | 3 | 1 | ||
| Green Peas | 4 | 2 | ||
| Sweet Peppers | 7 | 6 | ||
| Pumpkins | 21 | 69 | ||
| Rhubarb | 4 | 2 | ||
| Squash | 11 | 43 | ||
| Sweet Corn | 26 | 226 | ||
| Tomatoes | 15 | 20 | ||
| Fruits | Farms | Acres | Yield | |
| Apples | 18 | 70 | 9329 trees | |
| Cherries, Total | 7 | 11 | 660 trees | |
| Sweet Cherries | 7 | (D) | (D) | |
| Tart Cherries | 4 | (D) | (D) | |
| Grapes | 7 | 4 | 820 vines | |
| Peaches | 8 | 3 | 248 trees | |
| Pears | 5 | 1 | 48 trees | |
| Raspberries | 3 | (D) | 6600 lbs | |
| Strawberries | 5 | 17 | 102500 lbs | |
| Other Crops | Farms | Acres | Yield | |
| Herbs, Total | 3 | 1 | (X) | |
| Maple Trees Tapped (Number of Taps) | 3 | (D) | (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 | 69 | 656248 | 652 | 5314 |
| Nursery, Floriculture, Vegetable and Flower Seed Crops | 13 | (X) | 100 | (X) |
| Florculture Crops | 36 | 634908 | 28 | 2743 |
| Bedding/Garden Plants | 32 | 466218 | 21 | 1964 |
| Cut Flowers and Cut Florist Greens | 3 | (D) | (D) | 7 |
| Potted Flowering Plants | 6 | (D) | - | (D) |
| Bulbs, Corms, Rhizomes, and Tubers | 3 | - | (D) | (D) |
| Cut Christmas Trees Harvested | 13 | (X) | 42 | 248 |
| Nursery Crops | 14 | (D) | 311 | 2215 |
| Other Nursery and Greenhouse Crops | 18 | 18840 | 266 | 101 |
*Alfalfa, grass silage, green chops etc.
D=Withheld to avoid disclosing data for individual farms.
X=Not applicable.