Editing Johnson County, Tennessee (section)

===2000 census===
As of the [[census]]<ref name="GR8">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=May 14, 2011|title=U.S. Census website}}</ref> of 2000, there were 17,499 people, 6,827 households, and 4,751 families residing in the county. The [[population density]] was {{convert|59|/mi2|/km2|disp=preunit|people&nbsp;|people|}}. There were 7,879 housing units at an average density of {{convert|26|/mi2|/km2|adj=pre|units&nbsp;}}. The racial makeup of the county was 96.40% [[Race (United States Census)|White]], 2.42% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.34% [[Race (United States Census)|Native American]], 0.12% [[Race (United States Census)|Asian]], 0.02% [[Race (United States Census)|Pacific Islander]], 0.23% from [[Race (United States Census)|other races]], and 0.46% from two or more races. 0.86% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|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 [[Marriage|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.

Male inmates in the [[Northeast Correctional Complex]], southwest of Mountain City, account for 1,299 (7.4%) of the county's population.<ref>Census Bureau Data Sets [http://factfinder.census.gov/servlet/DatasetMainPageServlet?_program=DEC&_submenuId=datasets_0&_lang=en] {{Webarchive|url=https://archive.today/20200212040202/http://factfinder.census.gov/servlet/DatasetMainPageServlet?_program=DEC&_submenuId=datasets_0&_lang=en|date=February 12, 2020}} The Correctional Complex comprises census block 1020, block group 1, census tract 9561. Use table P37 on the SF 1 data set.</ref>