Campbell, the name of four counties in the United States. I. A S. county of Virginia, lying between James river on the N. and Staunton river on the S.; area, 576 sq. m.; pop. in 1870, 28,384, of whom 14,343 were colored. It has an uneven surface and a fertile soil. Iron ore is obtained in some places, and granite is abundant. Oak and pine forests cover much of the hilly part of the county. The Atlantic, Mississippi, and- Ohio railroad passes through the N. part. The chief productions in 1870 were 77,057 bushels of wheat, 226,690 of Indian corn, 175,733 of oats, and 1,761,901 lbs. of tobacco. There were 1,877 horses, 2,591 milch cows, 3,068 other cattle, 3,569 sheep, and 8,272 swine. Capital, Campbell Court House. II. A N. W. county of Georgia, intersected by the Chattahoochee river; area, 360 sq. m.; pop. in 1870, 9,176, of whom 2,587 were colored. It has an irregular surface, and embraces several varieties of soil. Gold, iron, and soapstone are found. The Atlantic and West Point railroad passes through the S. E. part. The chief productions in 1870 were 38,-478 bushels of wheat, 159,502 of Indian corn, and 2,621 bales of cotton. There were 424 horses, 826 mules and asses, 1,104 milch cows, 1,419 other cattle, 2,731 sheep, and 5,288 swine.

Capital, Campbellton. III. A N. E. county of Tennessee, bordering on Kentucky, bounded S. E. by Clinch river, and watered by its affluents; area, 450 sq. m.; pop. in 1870, 7,445, of whom 428 were colored. The surface is hilly, the central part being traversed by a ridge of the Cumberland mountains. Large forests occupy a considerable portion. The chief productions in 1870 were 18,401 bushels of wheat, 127,145 of Indian corn, 65,-208 of oats, 1,069 tons of hay, and 200 hhds. of sugar. There were 1,390 horses, 1,488 milch cows, 3,193 other cattle, 6,671 sheep, and 9,784 swine. Capital, Jacksonborough. IV. A N\ county of Kentucky, on the Ohio, nearly opposite Cincinnati, and bounded W. by Licking river; area, 120 sq. m.; pop. in 1870, 27,406, of whom 282 were colored. The surface consists of level bottom lands and gently undulating tracts of uplands; the soil is fertile. The chief productions in 1870 were 18,366 bushels of wheat, 166,509 of Indian corn, 69,599 of oats, 66,989 of potatoes, 3,603 tons of hay, and 76,568 lbs. of tobacco. There were 2,384 horses, 2,173 milch cows, 1,458 other cattle, 2,793 sheep, and 7,616 swine.

Capital, Alexandria.