Johnson County, Tennessee demographics
Population: 17,912
Median age: 46.0
Median household income: 42,552
Demographics, population, home values, social and economic characteristics of Johnson County, Tennessee.
Population
| 2021 | 17,912 |
| 2020 | 17,755 |
| 2019 | 17,753 |
| 2018 | 17,789 |
| 2017 | 17,846 |
| 2016 | 17,923 |
| 2015 | 18,017 |
| 2014 | 18,089 |
| 2013 | 18,158 |
| 2012 | 18,199 |
| 2011 | 18,227 |
| 2010 | 18,190 |
| 2009 | 18,019 |
Johnson County, TN cities
Mountain City town - 2,367
Census data for Johnson County, Tennessee
Demographic and housing estimates in Johnson County, Tennessee
| Total population | 17,912 |
| Male | 9,684 |
| Female | 8,228 |
| Total population | 17,912 |
| Under 5 years | 723 |
| 5 to 9 years | 625 |
| 10 to 14 years | 1,139 |
| 15 to 19 years | 865 |
| 20 to 24 years | 909 |
| 25 to 34 years | 2,188 |
| 35 to 44 years | 2,168 |
| 45 to 54 years | 2,576 |
| 55 to 59 years | 1,449 |
| 60 to 64 years | 1,180 |
| 65 to 74 years | 2,426 |
| 75 to 84 years | 1,272 |
| 85 years and over | 392 |
| Median age (years) | 46.0 |
| Under 18 years | 3,030 |
| 16 years and over | 15,279 |
| 18 years and over | 14,882 |
| 21 years and over | 14,353 |
| 62 years and over | 4,698 |
| 65 years and over | 4,090 |
| Total population | 17,912 |
| One race | 17,461 |
| White | 16,519 |
| Black or African American | 703 |
| American Indian and Alaska Native | 104 |
| Asian | 42 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 93 |
| Two or more races | 451 |
| Citizen, VOTING AGE 18 and over population | 14,690 |
| Male Citizen, VOTING AGE 18 and over population | 8,021 |
| Female Citizen, VOTING AGE 18 and over population | 6,669 |
Social characteristics in Johnson County, Tennessee
| Total households | 6,859 |
| Family households (families) | 3,450 |
| Married-couple family | 462 |
| Male householder, no wife present, family | 1,008 |
| Female householder, no husband present, family | 788 |
| Nonfamily households | 1,939 |
| Average household size | 2,890 |
| Average family size | 2.33 |
Economic characteristics in Johnson County, Tennessee
| Total households | 6,859 |
| Less than $10,000 | 596 |
| $10,000 to $14,999 | 526 |
| $15,000 to $24,999 | 1,002 |
| $25,000 to $34,999 | 768 |
| $35,000 to $49,999 | 1,140 |
| $50,000 to $74,999 | 997 |
| $75,000 to $99,999 | 935 |
| $100,000 to $149,999 | 588 |
| $150,000 to $199,999 | 247 |
| $200,000 or more | 60 |
| Median household income (dollars) | 42,552 |
Housing characteristics in Johnson County, Tennessee
| Total housing units | 8,746 |
| Occupied housing units | 6,859 |
| Vacant housing units | 1,887 |
| Total housing units | 8,746 |
| 1-unit, detached | 6,291 |
| 1-unit, attached | 97 |
| 2 units | 59 |
| 3 or 4 units | 129 |
| 5 to 9 units | 229 |
| 10 to 19 units | 41 |
| 20 or more units | 57 |
| Mobile home | 1,827 |
| Boat, RV, van, etc. | 16 |
| Total housing units | 8,746 |
| Built 2014 or later | 10 |
| Built 2010 to 2013 | 178 |
| Built 2000 to 2009 | 1,466 |
| Built 1990 to 1999 | 1,654 |
| Built 1980 to 1989 | 1,279 |
| Built 1970 to 1979 | 1,608 |
| Built 1960 to 1969 | 588 |
| Built 1950 to 1959 | 676 |
| Built 1940 to 1949 | 495 |
| Built 1939 or earlier | 792 |
| Total housing units | 8,746 |
| 1 room | 372 |
| 2 rooms | 78 |
| 3 rooms | 518 |
| 4 rooms | 1,222 |
| 5 rooms | 2,060 |
| 6 rooms | 1,706 |
| 7 rooms | 1,289 |
| 8 rooms | 765 |
| 9 rooms or more | 736 |
| Median rooms | 5.6 |
| Total housing units | 8,746 |
| No bedroom | 372 |
| 1 bedroom | 509 |
| 2 bedrooms | 2,398 |
| 3 bedrooms | 4,296 |
| 4 bedrooms | 910 |
| 5 or more bedrooms | 261 |
| Occupied housing units | 6,859 |
| Owner-occupied | 5,397 |
| Renter-occupied | 1,462 |
| Average household size of owner-occupied unit | 2.34 |
| Average household size of renter-occupied unit | 2.31 |
| Occupied housing units | 6,859 |
| Moved in 2017 or later | 601 |
| Moved in 2015 to 2016 | 1,259 |
| Moved in 2010 to 2014 | 1,086 |
| Moved in 2000 to 2009 | 1,754 |
| Moved in 1990 to 1999 | 1,062 |
| Moved in 1989 and earlier | 1,097 |
| Owner-occupied units | 5,397 |
| Less than $50,000 | 861 |
| $50,000 to $99,999 | 1,066 |
| $100,000 to $149,999 | 1,176 |
| $150,000 to $199,999 | 806 |
| $200,000 to $299,999 | 654 |
| $300,000 to $499,999 | 503 |
| $500,000 to $999,999 | 321 |
| $1,000,000 or more | 10 |
| Median (dollars) | 133,700 |
| Owner-occupied units | 5,397 |
| Housing units with a mortgage | 2,151 |
| Housing units without a mortgage | 3,246 |
| Occupied units paying rent | 1,015 |
| Less than $500 | 317 |
| $500 to $999 | 618 |
| $1,000 to $1,499 | 69 |
| $1,500 to $1,999 | 11 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 596 |
| No rent paid | 447 |
Demographic data for Johnson County, TN and each city in the county. Lists of cities by population, wealth and poverty in Johnson County, TN.
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