Chattanooga, TN Profile: Facts, Map & Data


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Chattanooga, Tennessee - Basic Facts

The City of Chattanooga is the 4th largest city in Tennessee with a population of 182,788 as of July 1, 2017. Chattanooga 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 Chattanooga is located at latitude 35.0642 and longitude -85.2488 in Hamilton County. The formal boundaries for the City of Chattanooga (see map below) encompass a land area of 142.04 sq. miles and a water area of 7.7 sq. miles. Hamilton County is in the Eastern time zone (GMT -5). The elevation is 676 feet.

The City of Chattanooga (GNIS ID: 2404035) 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 Chattanooga is located within Commissioner District 5, a minor civil division (MCD) of Hamilton County.

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

Alternate Unofficial Names for Chattanooga: Atala'nuwa', A'tla'nuwa, Lookout City, Old French Store, Ross Landing, Ross's Landing, Ross's Store, Ross's Warehouse, Ross's Wharf.

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City of Chattanooga, TN Boundary Map

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Boundary Maps: Commissioner District 5 | Hamilton County | Tennessee Counties

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


Total Population 182,788
Daytime Population: Workers 183,557
Daytime Population: Residents 96,489
Total Daytime Population (TDP) 280,046
Ratio TDP/Total Population1 1.53
Population in Households 175,731
Population in Familes 128,901
Population in Group Qrtrs 7,057
Population Density2 1,287
Diversity Index3 61


Median Household Income $40,329
Average Household Income $60,220
Per Capita Income $26,068


Total Housing Units 86,142 (100%)
Owner Occupied HU 38,234 (44.4%)
Renter Occupied HU 38,290 (44.4%)
Vacant Housing Units 9,617 (11.2%)
Median Home Value $155,830
Average Home Value $205,295


Total Households 76,525
Average Household Size 2.3
Family Households 43,176
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 1.03% 0.98%
Households 0.92% 0.94%
Families 0.74% 0.76%
Median Household Income   2.11%
Per Capita Income   2.39%

Chattanooga, TN - Peer Comparisons by Rank and Percentile

The table below compares Chattanooga 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 # 4 99th
Population Density # 37 92nd
Diversity Index # 8 98th
Median Household Income # 204 52nd
Per Capita Income # 100 77th

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

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