Johnson County , Tennessee

Johnson County: County in Tennessee, United States

Johnson County locator map
Location of Johnson County on Tennessee map.


Johnson County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 18,244 and a population density of 23 people per km². After 9 years in 2019 county had an estimated population of 17,788 inhabitants. Its county seat is Mountain City. The county was created 185 years ago in 1835.


Johnson County is located at 36°27'18"N 81°51'6"W (36.4549400, -81.8517500). It has 5 neighbors: Ashe County, Avery County, Watauga County, Grayson County and Washington County.

Johnson-county-courthouse-tn image

The largest city of Johnson County is Mountain City with a population of 2,437. . See all Johnson County cities & populated places.

Johnson-county-courthouse-tn image

Johnson County map

Johnson County Quick Facts

Population : 17,788 (2019)
Country : United States of America
State : Tennessee (United States)
Different from : Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County, Johnson County
Area : 784 km2
Water as percent of area : 1.4%
Land as percent of area : 98.6%
Named for : Thomas Johnson
Capital : Mountain City
Establishment : January 01, 1836
Time Zone : Eastern Time Zone
Local time : 05:37:30 (4th August 2021)
Density : 23 Pop. per km² as of 2019
Population growth : -2.56% (2010-2019)

Johnson County has 5 neighbours.

  • Mountain City


According to census records, the population of Johnson County decreased by 2.56% in 9 years.

Year Population % Change Method
2010 18,244 - census
2011 18,223 -0.12% estimation process
2012 18,159 -0.35% estimation process
2013 18,014 -0.8% estimation process
2014 17,935 -0.44% estimation process
2015 17,842 -0.52% estimation process
2016 17,759 -0.47% estimation process
2017 17,603 -0.89% estimation process
2018 17,774 0.96% estimation process
2019 17,788 0.08% estimation process

Comitatul Johnson, Comte de Johnson, Comté de Johnson, Condado de Johnson, Condado han Johnson, Contea di Johnson, Dzhonson, Dzhonsun, Hrabstwo Johnson, Johnson, Johnson Comitatus, Johnson Kun, Johnson Kūn, Johnson konderria, Johnson megye, Jonson srjan, Okrug DZonson, Quan Johnson, Quận Johnson, jonson jun, jonsona ka'unti, shhrstan janswn tnsy, yue han xun xian, Джонсон, Джонсън, Округ Џонсон, Ջոնսոն շրջան, جانسن کاؤنٹی، ٹینیسی, شهرستان جانسون، تنسی, مقاطعة جونسون, জোন্সোন কাউন্টি, ジョンソン郡, 約翰遜縣

Other places with the same name (11)

Johnson County Populated Places

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

City Name Population Title
Mountain City 2,437 City in Johnson County, Tennessee, United States of America

Tennessee Other Counties (more counties)

County Name Population Title
Tennessee 6,829,174 State of the United States of America
Shelby County 937,166 County in Tennessee, United States
Davidson County 694,144 County in Tennessee, United States
Nashville 684,410 Consolidated city-county in Davidson County, Tennessee, United States, and the state capital of Tennessee
Memphis 651,073 County seat of Shelby County, Tennessee, United States
New South Memphis 641,608 City in United States of America
Knox County 470,313 County in Maine, United States
Hamilton County 367,804 County in Tennessee, United States
Rutherford County 332,285 County in North Carolina, United States
Williamson County 238,412 County in Tennessee, United States
Montgomery County 208,993 County in Tennessee, United States
Sumner County 191,283 County in Tennessee, United States
Knoxville 187,603 County seat of Knox County, Tennessee, United States; third-largest city in Tennessee
Chattanooga 182,799 City in and county seat of Hamilton County, Tennessee, United States
Sullivan County 158,348 County in New York, United States
Clarksville 158,146 City in Tennessee

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