Knox County TN Information


Knox County Subdivisions

Knox County TN Data & Demographics (As of July 1, 2015)


Total Population 447,918
Population in Households 435,492
Population in Familes 335,834
Population in Group Qrtrs 12,426
Population Density1 881
Diversity Index2 33


Total Households 183,384
Average Household Size 2.37
Family Households 113,495
Average Family Size 3


Total Housing Units 202,183 (100%)
Owner Occupied HU 113,942 (56.4%)
Renter Occupied HU 69,442 (34.3%)
Vacant Housing Units 18,799 ( 9.3%)
Median Home Value $177,034
Average Home Value $226,002


Median Household Income $47,436
Average Household Income $67,852
Per Capita Income $28,163
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.68% 0.76%
Households 0.65% 0.74%
Families 0.47% 0.63%
Median Household Income   2.78%
Per Capita Income   2.45%
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.


Knox County TN - Peer Comparisons by Rank and Percentile

The table below compares Knox County to the other 95 counties and county equivalents in Tennessee by rank and percentile using July 1, 2015 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 # 3 98th
Population Density1 # 3 98th
Diversity Index2 # 21 79th
Median Household Income # 15 85th
Per Capita Income # 4 97th

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