Sumner County

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Sumner County, Administrative county in northern Tennessee, United States.

Sumner County spans 543 square miles of land and water, bordering Kentucky and containing eight distinct cities including Gallatin and Hendersonville.

The county, established in 1786, grew from early European settlements like Mansker's Station and Bledsoe's Station, which functioned as trading posts.

The county supports educational advancement through the Sumner County Board of Education and Volunteer State Community College, serving a population of 207,994 residents.

The local government operates CodeRED, an automated notification system that informs residents about emergencies, weather events, and community updates.

The Cumberland River flows through the county, where archaeological sites reveal centuries of Native American settlements predating European arrival.

Location: Tennessee

Inception: November 18, 1786

Capital city: Gallatin

Shares border with: Allen County, Macon County, Trousdale County, Wilson County, Davidson County, Robertson County, Simpson County

Website: http://sumnertn.org

GPS coordinates: 36.47000,-86.46000

Latest update: May 27, 2025 07:07

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