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Ethridge, Tennessee

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Census Data for Ethridge ...

Population ...

The most recent Census Estimate<1> was for 2018 and it gave Ethridge a population of 486 people.

The last Decennial Census<2> was in 2010, which gave Ethridge a population of 465 people.

The town of Ethridge is located in Lawrence County. The 2010 Census gave Lawrence County a population of 41,869 people. This means that Ethridge had 1.11% of the county's total population, making it Lawrence's 4th most populous community.

At the same time, Tennessee had a population of 6,346,105 people.

Area ...

When the Census Bureau conducts a census for a town like Ethridge, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually shaped as a polygon). The shape of the sampling area can be quite complex and it's important to keep in mind that the boundaries of the sampling area may or may not match the recognized boundaries of the town.

Things like the population, area and housing for Ethridge reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Ethridge might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.

The 2010 Census shows that the sampling area for Ethridge has a total area of 1.17 square miles [3 km²].

Lawrence County has a land area of 617 square miles [1,598.4 km²]. At 1.17 square miles [3 km²], Ethridge has 0.19% of the county's total land area.

Not only does the sampling area define boundaries, it also has a GPS location (latitude & longitude) that indicates a point within the sampling area (usually the center of the polygon, known as the centroid). At the time of the 2010 Census, the sampling area was located at:

Lat:   35° 19' 17"   (or 35.32°)             [Map]

Lon:   -87° 18' 4"   (or -87.3°)

More information on this topic and the changes between the 2000 Census and the 2010 Census can be found in the section for our Census-to-Census Observations ... (see below).

Population Density ...

Using the population (465 people) and land area (1.17 square miles [3 km²]) values from the 2010 Census, Ethridge had a population density of 396.8 people per square mile [153.2 people/km²].

In comparison, the 2000 Census shows Ethridge had a population of 536 people and a land area of 1.17 square miles [3 km²]. This gives a population density of 457.8 people per square mile [176.7 people/km²]

NOTE: Be aware that when comparing population density between the 2000 Census and the 2010 Census, there were changes in the sampling area for Ethridge. You need to be careful when making such a comparison, the differences are likely to lead to an apple-to-oranges comparison. More information about the nature of these changes can be found in the section Census-to-Census Observations ... (see below).

Housing Units ...

At the time of the 2010 Census, Ethridge had 218 Housing Units<3> and with its population of 465 people, this averages 2.13 people per Housing Unit.

The 2010 Census shows Ethridge had a land area of 1.17 square miles [3 km²]. This translates to 186 Housing Units per square mile [71.8 housing units/km²].

From the Census of 2000: Ethridge had 245 Housing Units, a population of 536 people and a land area of 1.17 square miles [3 km²]. This gives a density of 2.19 people per Housing Unit and 209.2 Housing Units per square mile [80.8 housing units/km²].

NOTE: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2000 Census and the 2010 Census, there were changes in the sampling area for Ethridge and you need to be careful when comparing values between the censuses. More information about the changes can be found in the section called Census-to-Census Observations ... (see below).

Lawrence County ...

The community of Ethridge is located in Lawrence County.

The county had a population of 41,869 people at the 2010 Census. With it's population of 465 people, Ethridge represented 1.11% of the county's total.

In addition, where the town of Ethridge has a population density of 396.8 people per square mile [153.2 people/km²], Lawrence County averages 67.8 people per square mile [26.2 people/km²].

For more information, please visit our Census Page for Lawrence County.

Population Rings for Ethridge ...

To help identify the number of people who live in Ethridge and the surrounding area, we have drawn concentric rings centered on Ethridge. We counted the number of communities within each ring and summed their populations.<4>

  Radius   No of
  Since 2010    
5 mi   [8 km]211,324+3.96%
15 mi   [24 km]211,324+3.96%
20 mi   [32 km]726,481+2.39%
25 mi   [40 km]1474,765+7.47%
30 mi   [48 km]1888,623+7.4%

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Ethridge, they start by specifying the boundaries of the area to be counted. This area (or sampling area) is a polygon and its shape can be quite complex - it may or may not match the geographical boundaries of Ethridge. It's important to note that from one Census to the next, the shape and location of the polygon can change. If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.

Area ...

There is only a very minor difference in the sampling area given between the 2010 Census and the 2000 Census.

The 2010 Census shows that the total area for Ethridge was 1.17 square miles [3 km²]. Of this total, only a minor amount of the area is covered by water.

The 2000 Census shows a total area of 1.17 square miles [3 km²]. Of this total, only a minor amount of the area is covered by water.

Location ...

While generally coinciding with the GPS location (latitude/longitude) of Ethridge, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Ethridge.

For the 2010 Census, the location was given as:

Lat:   35.321594°   (or 35°19'17" N)             [Map]

Lon:   -87.301225°   (or -87°18'4" W)

For the 2000 Census, the location given was:

Lat:   35.321229°   (or 35°19'16" N)             [Map]

Lon:   -87.302304°   (or -87°18'8" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 347.5 feet to the northeast<5> of the location that was used in the 2000 Census.

The U.S. Geological Survey (USGS) and the U.S. Board on Geographic Names (BGN) have assigned a unique GNIS identifier (#2406466) to Ethridge. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Ethridge. The GNIS point has been mapped to the latitude/longitude:

Lat:   35.321686°   (or 35°19'18" N)             [Map]

Lon:   -87.301212°   (or -87°18'4" W)

The GSP location given for the 2010 Census lies 33.76 feet to the south<6> of the point given by the GNIS for Ethridge. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Ethridge.

Miscellaneous Information for Ethridge ...

The Federal government has assigned various identifying codes to each community, county and state. At one time or another, the US Census Bureau has used one (or more) of the following identifiers when referring to either Lawrence County or the town of Ethridge:

The GNIS Codes ...

The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Ethridge:

GNIS ID for Ethridge: 2406466

GNIS ID for Lawrence County: 1639764

GNIS ID for Tennessee: 1325873

The FIPS Codes ...

An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):

State Code: 47 (Tennessee)

County Code: 099 (Lawrence County)

Place Code: 24460 (Ethridge)

State & County Code: 47/099 (Tennessee / Lawrence County)

State & Place Code: 47/24460 (Tennessee / Ethridge)

Misc. Census Codes ...

Ethridge is located in Census Region #3 (the South Region) and Division #6 (the East South-Central Division).

For more information about the various Federal identification codes, please visit our Misc Page for Ethridge.

Other Roadside Stops ...

Find a Community in Tennessee

About Lawrence County

About Tennessee

Off-the-Road Links ...

The official website of the U.S. Census Bureau

Unfortunately, we don't know of a website for Ethridge. If you can help, please contact us through our Feedback Page.

The official website for Lawrence County:

The official website for State of Tennessee:

The official website of the U.S. Board on Geographic Names (BGN)

The official website of the U.S. Geological Survey (USGS)

Footnotes ...

<1>Every year, the US Census Bureau creates a population estimate for the preceeding year. Keep in mind that this value is an estimate and not an actual count. The most recent Census estimate is for the year 2018.

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<2>Every 10 years (eg- 1990, 2000, 2010), the US Census Bureau conducts a Constitutionally-mandated count (or enumeration) of people living within the United States. This count is called a Decennial Census. The last Decennial Census was the 2010 Census, with the next one planned for 2020.

- Return to Citation

<3>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).

- Return to Citation

<4>The communities in our count are those provided by the 2010 Census, so keep in mind that our population rings will only include the people living in those communities. Smaller communities usually don't participate directly in the Census and therefore they won't be included. While our count is a close approximation, it shouldn't be considered as a complete or accurate count.

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<5>The calculated bearing (or angle) to the 2010 Census location is 292 degrees and a distance of 347.5 feet.

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<6>The calculated bearing (or angle) to the GNIS point is 173 degrees and a distance of 33.76 feet.

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This page was last modified: 15 Nov 2019