Union City, TN Profile: Facts, Map & Data


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Union City, Tennessee - Basic Facts

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The City of Union City had a population of 10,546 as of July 1, 2017. Union City ranks in the upper quartile for Population Density and 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 Union City is located at latitude 36.4271 and longitude -89.0477 in Obion County. The formal boundaries for the City of Union City (see map below) encompass a land area of 12.33 sq. miles and a water area of 0.01 sq. miles. Obion County is in the Central time zone (GMT -6). The elevation is 335 feet.

The City of Union City (GNIS ID: 2405626) 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 City of Union City is located within Commissioner District 4, a minor civil division (MCD) of Obion County.

Beneath the boundary map are tables with Union City population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Union City, TN Boundary Map

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Union City, TN Data & Demographics (As of July 1, 2017)


Total Population 10,546
Daytime Population: Workers 8,688
Daytime Population: Residents 6,663
Total Daytime Population (TDP) 15,351
Ratio TDP/Total Population1 1.46
Population in Households 10,173
Population in Familes 7,959
Population in Group Qrtrs 373
Population Density2 856
Diversity Index3 56


Median Household Income $32,675
Average Household Income $46,859
Per Capita Income $20,611


Total Housing Units 5,064 (100%)
Owner Occupied HU 2,237 (44.2%)
Renter Occupied HU 2,267 (44.8%)
Vacant Housing Units 561 (11.1%)
Median Home Value $93,880
Average Home Value $128,691


Total Households 4,503
Average Household Size 2.26
Family Households 2,757
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. 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 -0.45% -0.57%
Households -0.37% -0.53%
Families -0.45% -0.67%
Median Household Income   1.43%
Per Capita Income   2.36%

Union City, TN - Peer Comparisons by Rank and Percentile

The table below compares Union City to the other 427 incorporated cities, towns and CDPs in Tennessee by rank and percentile using July 1, 2017 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 # 57 87th
Population Density # 107 75th
Diversity Index # 18 96th
Median Household Income # 348 19th
Per Capita Income # 263 39th

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

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