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Sumner County

county in Tennessee, United States

Key facts

Country: United States
State: Tennessee
Founded: November 1786
Named after: Jethro Sumner
Seat: Gallatin
Largest city: Hendersonville
Total: 543 sq mi (1,410 km )
Land: 529 sq mi (1,370 km )
Water: 14 sq mi (36 km ) 2.5%
Estimate 2025: 215,538
Density: 371/sq mi (143/km )
Area code: 615 , 629
Congressional district: 6th
Website: www .sumnertn .org

via Wikipedia infobox

Article

Sumner County is a county located on the central northern border of Tennessee in the United States. As of the 2020 United States census, the population was 196,281. Its county seat is Gallatin, and its most populous city is Hendersonville. The county is named after an American Revolutionary War hero, General Jethro Sumner.

Sumner County is part of the Nashville metropolitan area. The county is made up of eight cities, including Gallatin, Goodlettsville, Hendersonville, Millersville, Mitchellville, Portland, Westmoreland, and White House. Sumner County is 25 miles (40 km) northeast of Nashville, Tennessee.