Eaton, a S. county of Michigan, intersected by Grand river; area, 576 sq. m.; pop. in 1870, 25,171. The surface is undulating. In the N. and middle part are forests, and in the S. plains with scattered trees. The soil is productive. The Peninsula railroad and the Grand River Valley division of the Michigan Central railroad pass through it. The chief productions in 1870 were 326,377 bushels of wheat, 231,955 of Indian corn, 300,308 of oats, 16,876 of barley, 177,313 of potatoes, 31,212 tons of hay, 749,464 lbs. of butter, 221,732 of wool, 204,028 of maple sugar, and 213,611 of hops. There were 5,526 horses, 6,423 milch cows, 8,932 other cattle, 49,733 sheep, and 10,243 swine; 6 manufactories of agricultural implements, 9 of carriages and wagons, 5 of furniture, 5 of iron castings, 5 of saddlery and harness, 3 of sashes, doors, and blinds, 4 flour mills, 4 planing mills, 36 saw mills, 1 wool-carding and cloth-dressing, and 5 wood-turning and carving establishments. Capital, Charlotte.