Johnson County TN Information


Johnson County Subdivisions

Johnson County TN Data & Demographics (As of July 1, 2018)


Total Population 17,908
Population in Households 16,116
Population in Familes 13,043
Population in Group Qrtrs 1,792
Population Density1 60
Diversity Index2 13


Median Household Income $34,525
Average Household Income $47,945
Per Capita Income $20,129


Total Housing Units 9,041 (100%)
Owner Occupied HU 5,265 (58.2%)
Renter Occupied HU 1,790 (19.8%)
Vacant Housing Units 1,986 (22.0%)
Median Home Value $122,312
Average Home Value $162,293


Total Households 7,055
Average Household Size 2.28
Family Households 4,606
Average Family Size 3
  1. Population Density = Total Population per square mile.
  2. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.23% -0.32%
Households -0.24% -0.37%
Families -0.45% -0.51%
Median Household Income   1.55%
Per Capita Income   2.05%


Johnson County TN - Peer Comparisons by Rank and Percentile

The table below compares Johnson County to the other 95 counties and county equivalents in Tennessee by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 73 24th
Population Density # 55 43rd
Diversity Index # 78 18th
Median Household Income # 88 8th
Per Capita Income # 76 21st

Additional comparisons and rankings can be made with a VERY EASY TO USE Tennessee Census Data Comparison Tool.