Sumner County, Tennessee

Sumner County
Old Hickory Lake at Bledsoe Creek State Park
Old Hickory Lake at Bledsoe Creek State Park
Flag of Sumner County
Official seal of Sumner County
Map of Tennessee highlighting Sumner County
Location within the U.S. state of Tennessee
Map of the United States highlighting Tennessee
Tennessee's location within the U.S.
Coordinates: 36°28′N 86°28′W / 36.47°N 86.46°W / 36.47; -86.46
Country United States
State Tennessee
FoundedNovember 1786
Named forJethro Sumner[1]
SeatGallatin
Largest cityHendersonville
Area
 • Total543 sq mi (1,410 km2)
 • Land529 sq mi (1,370 km2)
 • Water14 sq mi (40 km2)  2.5%
Population
 (2020)
 • Total196,281
 • Estimate 
(2023)
207,994 Increase
 • Density360/sq mi (140/km2)
Congressional district6th
Websitewww.sumnertn.org

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.[2] Its county seat is Gallatin, and its most populous city is Hendersonville.[3] The county is named after an American Revolutionary War hero, General Jethro Sumner.

Sumner County is part of the Nashville-DavidsonMurfreesboroFranklin, TN Metropolitan Statistical 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.

  1. ^ Dee Gee Lester, "Sumner County," Tennessee Encyclopedia of History and Culture. Retrieved: April 7, 2013.
  2. ^ "State & County QuickFacts". United States Census Bureau. Retrieved December 7, 2013.
  3. ^ "Find a County". National Association of Counties. Archived from the original on March 2, 2011. Retrieved June 7, 2011.