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Sumner County
Sign in to saveAlso known as Sumner County, Tennessee, Sumner County, TN
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
Wikidata facts
- Population
- 196281
- Area
- 1407
- Official website
- www.sumnertn.org
- Image
- Sumner County Tennessee Courthouse.jpg
- Households
- 68654
Show 5 more facts
- Commons category
- Sumner County, Tennessee
- inception
- 1786-11-18
- water as percent of area
- 2.5
- native label
- Sumner County
- per capita income
- 34353
Sources (9)
via Wikidata · CC0
~13 min read
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.