Decatur, TN Profile: Facts, Map & Data


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Decatur, Tennessee - Basic Facts

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The Town of Decatur had a population of 1,679 as of July 1, 2015. Decatur ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Tennessee. See peer rankings below.

The primary coordinate point for Decatur is located at latitude 35.5305 and longitude -84.7921 in Meigs County. The formal boundaries for the Town of Decatur (see map below) encompass a land area of 3 sq. miles and a water area of 0 sq. miles. Meigs County is in the Eastern time zone (GMT -5). The elevation is 778 feet.

The Town of Decatur (GNIS ID: 2406365) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

The Town of Decatur is located within Commissioner District 3, a minor civil division (MCD) of Meigs County.

Beneath the boundary map are tables with Decatur population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2015.

Alternate Unofficial Names for Decatur: Reagan.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


Town of Decatur, TN Boundary Map

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Boundary Maps: Commissioner District 3 | Meigs County | Tennessee Counties

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


Total Population 1,679
Population in Households 1,625
Population in Familes 1,361
Population in Group Qrtrs 54
Population Density1 559
Diversity Index2 9


Total Households 668
Average Household Size 2.43
Family Households 475
Average Family Size 3


Total Housing Units 734 (100%)
Owner Occupied HU 495 (67.4%)
Renter Occupied HU 173 (23.6%)
Vacant Housing Units 66 ( 9.0%)
Median Home Value $107,813
Average Home Value $134,192


Median Household Income $39,687
Average Household Income $50,531
Per Capita Income $20,361
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.95% 0.74%
Households 1.18% 0.82%
Families 2.46% 0.75%
Median Household Income   3.17%
Per Capita Income   2.68%
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.


Decatur, TN - Peer Comparisons by Rank and Percentile

The table below compares Decatur to the other 428 incorporated cities, towns and CDPs 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 # 218 49th
Population Density1 # 198 54th
Diversity Index2 # 358 17th
Median Household Income # 187 57th
Per Capita Income # 204 53rd

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