Johnson County is a county located in the state of Tennessee. As of 2000, the population is 17,499. Its county seat is Mountain City6.
According to the U.S. Census Bureau, the county has a total area of 784 km˛ (303 mi˛). 773 km˛ (298 mi˛) of it is land and 11 km˛ (4 mi˛) of it is water. The total area is 1.41% water.
As of the census2 of 2000, there are 17,499 people, 6,827 households, and 4,751 families residing in the county. The population density is 23/km˛ (59/mi˛). There are 7,879 housing units at an average density of 10/km˛ (26/mi˛). The racial makeup of the county is 96.40% White, 2.42% Black or African American, 0.34% Native American, 0.12% Asian, 0.02% Pacific Islander, 0.23% from other races, and 0.46% from two or more races. 0.86% of the population are Hispanic or Latino of any race.
There are 6,827 households out of which 26.40% have children under the age of 18 living with them, 55.40% are married couples living together, 10.00% have a female householder with no husband present, and 30.40% are non-families. 26.40% of all households are made up of individuals and 11.50% have someone living alone who is 65 years of age or older. The average household size is 2.35 and the average family size is 2.81.
In the county, the population is spread out with 19.70% under the age of 18, 7.40% from 18 to 24, 30.80% from 25 to 44, 27.10% from 45 to 64, and 15.00% who are 65 years of age or older. The median age is 40 years. For every 100 females there are 114.60 males. For every 100 females age 18 and over, there are 114.40 males.
The median income for a household in the county is $23,067, and the median income for a family is $28,400. Males have a median income of $24,018 versus $18,817 for females. The per capita income for the county is $13,388. 22.60% of the population and 18.70% of families are below the poverty line. Out of the total population, 26.80% of those under the age of 18 and 21.50% of those 65 and older are living below the poverty line.
Cities and towns
|Regions of Tennessee || |
|East Tennessee | Middle Tennessee | West Tennessee | Blue Ridge Mountains | Ridge-and-valley Appalachians | Cumberland Plateau | Highland Rim | Nashville Basin | Gulf Coastal Plain |
|Nashville metropolitan area | Memphis metropolitan area |
|Largest Cities |
|Bartlett | Brentwood | Bristol | Chattanooga | Clarksville | Cleveland | Cookeville | Franklin | Germantown | Hendersonville | Jackson | Johnson City | Kingsport | Knoxville | Memphis | Morristown | Murfreesboro | Nashville | Oak Ridge | Smyrna |
|Anderson | Bedford | Benton | Bledsoe | Blount | Bradley | Campbell | Cannon | Carroll | Carter | Cheatham | Chester | Clairborne | Clay | Cocke | Coffee | Crockett | Cumberland | Davidson | Decatur | DeKalb | Dickson | Dyer | Fayette | Fentress | Franklin | Gibson | Giles | Grainger | Greene | Grundy | Hamblen | Hamilton | Hancock | Hardeman | Hardin | Hawkins | Haywood | Henderson | Henry | Hickman | Houston | Humphreys | Jackson | Jefferson | Johnson | Knox | Lake | Lauderdale | Lawrence | Lewis | Lincoln | Loudon | Macon | Madison | Marion | Marshall | Maury | McMinn | McNairy | Meigs | Monroe | Montgomery | Moore | Morgan | Obion | Overton | Perry | Pickett | Polk | Putnam | Rhea | Roane | Robertson | Rutherford | Scott | Sequatchie | Sevier | Shelby | Smith | Stewart | Sullivan | Sumner | Tipton | Trousdale | Unicoi | Union | Van Buren | Warren | Washington | Wayne | Weakley | White | Williamson | Wilson |