Gillespie, a S. W. central county of Texas, watered by affluents of the Colorado; area, 925 sq. m.; pop. in 1870, 3,566, of whom 77 were colored. It has a hilly surface, about one tenth of which is suitable for farming, while the remainder furnishes good pasturage. Iron ore, limestone, and coal are the most important minerals. The chief productions in 1870 were 15,588 bushels of wheat, 82,135 of Indian corn, and 916 tons of hay. There were 880 horses, 20,024 cattle, 2,178 sheep, and 3,346 swine. Capital, Fredericksburg.