Decatur County TN Information


Decatur County Subdivisions

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


Total Population 11,705
Population in Households 11,492
Population in Familes 9,345
Population in Group Qrtrs 213
Population Density1 35
Diversity Index2 18


Median Household Income $36,840
Average Household Income $51,959
Per Capita Income $22,017


Total Housing Units 6,982 (100%)
Owner Occupied HU 3,693 (52.9%)
Renter Occupied HU 1,216 (17.4%)
Vacant Housing Units 2,073 (29.7%)
Median Home Value $94,060
Average Home Value $123,213


Total Households 4,909
Average Household Size 2.34
Family Households 3,210
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 -0.05% 0.13%
Households -0.04% 0.14%
Families -0.25% 0.01%
Median Household Income   1.87%
Per Capita Income   2.37%


Decatur County TN - Peer Comparisons by Rank and Percentile

The table below compares Decatur 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 # 85 12th
Population Density # 87 9th
Diversity Index # 55 43rd
Median Household Income # 76 21st
Per Capita Income # 58 40th

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