Johnson County TN Information


Johnson County Subdivisions

Johnson County TN Data & Demographics (As of July 1, 2016)


Total Population 18,281
Population in Households 16,470
Population in Familes 13,259
Population in Group Qrtrs 1,811
Population Density1 61
Diversity Index2 13


Total Households 7,131
Average Household Size 2.31
Family Households 4,677
Average Family Size 3


Total Housing Units 9,120 (100%)
Owner Occupied HU 5,216 (57.2%)
Renter Occupied HU 1,915 (21.0%)
Vacant Housing Units 1,989 (21.8%)
Median Home Value $107,906
Average Home Value $150,824


Median Household Income $31,181
Average Household Income $43,241
Per Capita Income $18,095
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.03% -0.08%
Households -0.14% -0.21%
Families -0.35% -0.33%
Median Household Income   1.07%
Per Capita Income   1.24%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


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, 2016 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 # 71 26th
Population Density1 # 55 43rd
Diversity Index2 # 77 20th
Median Household Income # 89 7th
Per Capita Income # 78 19th

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