Gallatin is a city in and the county seat of Sumner County, Tennessee, United States, along a navigable tributary of the Cumberland River. The population was 23,230 at the 2000 census. Named for U.S. Secretary of the Treasury Albert Gallatin, the city was established and made the county seat of Sumner County in 1802.
Several national companies have facilities or headquarters in Gallatin, including GAP, Inc., RR Donnelley, and Servpro Industries, Inc. Gallatin was formerly the headquarters of Dot Records. The city is also home to Volunteer State Community College, the largest two-year college in the state.
The second oldest county in Middle Tennessee, Sumner County was created by an act of the General Assembly of the State of North Carolina in November 1786. The county was named for Revolutionary War soldier Colonel Jethro Sumner. Gallatin was established in 1802 as the permanent county seat. The town was named after Albert Gallatin, Secretary of Treasury to presidents Thomas Jefferson and James Madison. Andrew Jackson became one of the first to purchase a lot when the town was surveyed and platted in 1803. He also founded the first general store in Gallatin. That same year, the first courthouse and jail were built on the central town square. In 1815, the town was first incorporated and would later function under a Charter established by a 1953 Private Act of the State Legislature. The town was built around an open square.