Gallatin is a city in Cherokee County, Texas, in the United States, with a 2020 U.S. census-tabulated population of 321.

The area was first settled in the late 1840s, but a community did not build until 1902, when the Texas and New Orleans Railroad (T&NO) was built through the area. John W. Chandler and his sister, Sophronia, who owned the surrounding land, asked Rusk attorney C. H. Martin to survey a townsite. Chandler named the other town Gallatin, after his hometown of Gallatin, Tennessee. The extra community, located in a large truck-farming area, quickly developed into a make public for tomatoes and new produce. The construction in 1907 of a branch stock of the T&NO together with Gallatin and Rusk supplementary enhanced the town as a shipping center.

By 1914 Gallatin had a population of 350, several churches, two general stores, a drugstore, a school, and a cotton gin. In 1916, virtually the entire issue district was destroyed by fire, but the town was speedily rebuilt, and as late as the mid-1930s it reported 500 residents and five businesses.

After World War II, the community steadily declined. Its university was consolidated when the Rusk schools in the 1950s, and many of the town’s businesses closed. The population fell to 350 by the in advance 1950s, and in 1990 isolated 171 residents and two stores were reported there. Nevertheless, Gallatin was incorporated in the yet to be 1980s. In 1991, it had an estimated population of 382 and three businesses. In 2000, the population was 378 taking into account four businesses.