Sumner County, Tennessee

Sumner County: County in Tennessee, United States


Sumner County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 160,645 and a population density of 114 people per km². After 10 years in 2020 county had an estimated population of 195,561 inhabitants. Its county seat is Gallatin. The county was created 236 years ago in 1786.

Quick Facts about Sumner County

Population : 195,561 (2020)
Country : United States of America
State : Tennessee (United States)
Different from : Sumter County, Sumter County, Sumner County, Sumter County, Sumter County
Area : 1407 km2
Water as percent of area : 2.5%
Land as percent of area : 97.5%
Named for : Jethro Sumner
Altitude : 823 feet / 251 meters
Capital : Gallatin
Establishment : November 11, 1786
Time Zone : Central Time Zone
Local time : 05:57:59 (28th May 2023)
Density : 139 Pop. per km² as of 2020
Population growth : 17.85% (2010-2020)
Sumner County locator map
Location of Sumner County on Tennessee map.
Sumner County Tennessee Courthouse image
Sumner County Tennessee Courthouse
Sumner County Tennessee Courthouse image


Sumner County is located at 36°28'10"N 86°27'37"W (36.4694100, -86.4603600). It has 6 neighbors: Allen County, Simpson County, Davidson County, Macon County, Trousdale County and Wilson County.

Sumner County map

The largest city of Sumner County is Hendersonville with a population of 59,323. Other cities include, Gallatin population 44,335, Portland population 13,301, White House population 12,975 and Millersville population 6,798. See all Sumner County cities & populated places.

Sumner County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Sumner County.

City Name Population Title
Hendersonville 59,323 County seat of Henderson County, North Carolina, United States
Gallatin 44,335 City in and the county seat of Sumner County, Tennessee
Portland 13,301 City in Sumner County, Tennessee, United States
White House 12,975 Human settlement in Tennessee, United States of America
Millersville 6,798 City in Sumner County, Tennessee, United States
Westmoreland 2,429 Town in Sumner County, Tennessee, United States
Mitchellville 195 Human settlement in Sumner County, Tennessee, United States of America

Sumner County has 6 neighbours.

  • Gallatin


The population of Sumner County increased by 17.85% in 10 years.

Year Population % Change Method
2010 160,645 - census
2011 163,680 1.85% estimation process
2012 165,967 1.38% estimation process
2013 168,754 1.65% estimation process
2014 172,269 2.04% estimation process
2015 175,326 1.74% estimation process
2016 179,332 2.23% estimation process
2017 183,756 2.41% estimation process
2018 187,490 1.99% estimation process
2019 191,283 1.98% estimation process
2020 195,561 2.19% estimation process

Comitatul Sumner, Comte de Sumner, Comté de Sumner, Condado de Sumner, Condado han Sumner, Contea di Sumner, Hrabstwo Sumner, Okrug Samner, Samner, Samner srjan, Sumner, Sumner Comitatus, Sumner Kun, Sumner Kūn, Sumner konderria, Sumner megye, Sumneri maakond, Sumnur, samanera ka'unti, samuna jun, shhrstan swmnr tnsy, suo mu nai xian, Округ Самнер, Самнер, Съмнър, Սամներ շրջան, سمنر کاؤنٹی, سمنر کاؤنٹی، ٹینیسی, شهرستان سومنر، تنسی, সামনের কাউন্টি, サムナー郡, 索姆奈縣

People born in Sumner County (17)

People born in Sumner County, including United States Army officer William B. Campbell, Confederate marine engineer during the Civil War Horace Lawson Hunley, politician James W. Henderson, .


Other places with the same name (2)

Tennessee Other Counties (more counties)

County Name Population Title
Shelby County 936,017 County in Tennessee, United States
Davidson County 694,176 County in Tennessee, United States
Nashville 684,410 Consolidated city-county in Davidson County, Tennessee, United States, and the state capital of Tennessee
Memphis 649,705 County seat of Shelby County, Tennessee, United States
New South Memphis 641,608 City in United States of America
Knox County 475,609 County in Maine, United States
Hamilton County 371,662 County in Tennessee, United States
Rutherford County 339,261 County in North Carolina, United States
Williamson County 245,348 County in Tennessee, United States
Montgomery County 214,251 County in Tennessee, United States
Knoxville 190,223 County seat of Knox County, Tennessee, United States; third-largest city in Tennessee
Chattanooga 184,742 City in and county seat of Hamilton County, Tennessee, United States
Clarksville 161,247 City in Tennessee
Sullivan County 158,755 County in New York, United States
East Chattanooga 154,024 City in Hamilton County, Tennessee, United States of America
Murfreesboro 150,757 City in Tennessee, United States of America