Union County , Tennessee

Union County: County in Tennessee, United States


Union County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 19,109 and a population density of 30 people per km². After 10 years in 2020 county had an estimated population of 20,187 inhabitants. Its county seat is Maynardville. The county was created 172 years ago in 1849.

Union County Quick Facts

Population : 20,187 (2020)
Country : United States of America
State : Tennessee (United States)
Different from : Union County, Union Parish, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County, Union County
Area : 640 km2
Water as percent of area : 9.5%
Land as percent of area : 90.5%
Capital : Maynardville
Establishment : January 01, 1850
Time Zone : Eastern Time Zone
Local time : 05:02:36 (2nd October 2022)
Density : 32 Pop. per km² as of 2020
Population growth : 5.34% (2010-2020)
Union County locator map
Location of Union County on Tennessee map.
Union-county-courthouse-tn1 image
Union-county-courthouse-tn1 image


Union County is located at 36°17'16"N 83°50'15"W (36.2878700, -83.8375100). It has 4 neighbors: Campbell County, Anderson County, Claiborne County and Grainger County.

Union County map

The largest city of Union County is Maynardville with a population of 2,452. Other cities include and Condon population 682. See all Union County cities & populated places.

Union County Populated Places

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

City Name Population Title
Maynardville 2,452 City in Tennessee, United States
Condon 682 City in Oregon, USA

Union County has 4 neighbours.


The population of Union County increased by 5.34% in 10 years.

Year Population % Change Method
2010 19,109 - census
2011 19,191 0.43% estimation process
2012 19,105 -0.45% estimation process
2013 19,063 -0.22% estimation process
2014 18,991 -0.38% estimation process
2015 19,159 0.88% estimation process
2016 19,219 0.31% estimation process
2017 19,399 0.93% estimation process
2018 19,689 1.47% estimation process
2019 19,972 1.42% estimation process
2020 20,187 1.07% estimation process

Comitatul Union, Comte d'Union, Comte dUnion, Comté d'Union, Comté dUnion, Condado de Union, Condado han Union, Contea di Union, Hrabstwo Union, Junion, Juniun, Okrug Junion, Quan Union, Quận Union, Union, Union Comitatus, Union Kun, Union Kūn, Union konderria, Union megye, Yunion srjan, i'uniyana ka'unti, shhrstan ywnywn tnsy, you ni ang xian, yunion jun, Округ Јунион, Юнион, Юниън, Юніон, Յունիոն շրջան, شهرستان یونیون، تنسی, یونین کاؤنٹی، ٹینیسی, ইউনিয়ন কাউন্টি, ユニオン郡, 猶尼昂縣

People born in Union County (5)

People born in Union County, including politician J. Will Taylor, football player Bob Suffridge, historian John Rice Irwin, .


  • Lois Johnson (American country music singer, vocalist) she was born in 15/05/1942
  • Jake Butcher (American politician) he was born in 08/05/1936

Other places with the same name (17)

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
Sumner County 195,561 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