|Johnson County, Tennessee|
Location in the state of Tennessee
Tennessee's location in the U.S.
|Largest city||Mountain City|
303 sq mi (784 km²)
298 sq mi (773 km²)
4 sq mi (11 km²), 1.41%
59/sq mi (23/km²)
|Time zone||Eastern: UTC-5/-4|
Johnson County is a county located in the U.S. state of Tennessee. As of 2000, the population is 17,499. The 2005 Census Estimate placed the population at 18,116 . It's county seat is Mountain City6.
According to the U.S. Census Bureau, the county has a total area of 784 km² (303 sq mi). 773 km² (298 sq mi) of it is land and 11 km² (4 sq mi) of it (1.41%) is water. Johnson County's boundary with Sullivan County is defined as the ridgeline of Holston Mountain.
- Washington County (north)
- Grayson County (northeast)
- Ashe County (east)
- Watauga County (southeast)
- Avery County (south)
- Carter County (southwest)
- Sullivan County (west)
As of the census2 of 2000, there were 17,499 people, 6,827 households, and 4,751 families residing in the county. The population density was 23/km² (59/sq mi). There were 7,879 housing units at an average density of 10/km² (26/sq mi). The racial makeup of the county was 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 were Hispanic or Latino of any race.
There were 6,827 households out of which 26.40% had children under the age of 18 living with them, 55.40% were married couples living together, 10.00% had a female householder with no husband present, and 30.40% were non-families. 26.40% of all households were made up of individuals and 11.50% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.81.
In the county, the population was 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 were 65 years of age or older. The median age was 40 years. For every 100 females there were 114.60 males. For every 100 females age 18 and over, there were 114.40 males.
The median income for a household in the county was $23,067, and the median income for a family was $28,400. Males had a median income of $24,018 versus $18,817 for females. The per capita income for the county was $13,388. About 18.70% of families and 22.60% of the population were below the poverty line, including 26.80% of those under age 18 and 21.50% of those age 65 or over.
Cities and towns
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