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Allardt, Tennessee

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The location of Allardt

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Census Data for Allardt ...

Population ...

The most recent Census Estimate<1> was for 2016 and it gives Allardt a population of 636 people.

The last Decennial Census<2> was in 2010, giving Allardt a population of 634 people.

The city of Allardt is located in Fentress County. The 2010 Census gave Fentress County a population of 17,959 people. This means that Allardt had 3.53% of the county's total population, making it Fentress' 2nd 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 city like Allardt, they draw a boundary around the area in which they are going to conduct their count - this is called a sampling area (or 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 city.

Things like the population, area and housing for Allardt reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Allardt might be slightly different, it's best to check with the U.S. Census Bureau if you need precision.

The 2010 Census shows that the sample polygon for Allardt has a total area of 3.9 square miles [10.1 km²].

Fentress County has a land area of 498.6 square miles [1,291.4 km²]. At 3.9 square miles [10.1 km²], Allardt has 0.78% 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 at the center of the polygon). At the time of the 2010 Census, the sampling area was located at:

Lat:   36° 22' 50"   (or 36.38°)             [Map]

Lon:   -84° 52' 51"   (or -84.88°)

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 (634 people) and land area (3.9 square miles [10.1 km²]) values from the 2010 Census, Allardt had a population density of 162.6 people per square mile [62.8 people/km²].

In comparison, the 2000 Census shows Allardt had a population of 642 people and a land area of 3.78 square miles [9.8 km²]. This gives a population density of 170 people per square mile [65.6 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 Allardt. You need to be careful when making such a comparison, the differences are likely to lead to an incorrect 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, Allardt had 331 Housing Units<3> and with its population of 634 people, this averages 1.92 people per Housing Unit.

The 2010 Census shows Allardt had a land area of 3.9 square miles [10.1 km²]. This translates to 84.9 Housing Units per square mile [32.79 housing units/km²].

From the Census of 2000: Allardt had 283 Housing Units, a population of 642 people and a land area of 3.78 square miles [9.8 km²]. This gives a density of 2.27 people per Housing Unit and 74.9 Housing Units per square mile [28.93 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 Allardt and you need to be careful when comparing results between the censuses. More information about these differences can be found in the section called Census-to-Census Observations ... (see below).

Fentress County ...

The community of Allardt is located in Fentress County.

The county had a population of 17,959 people at the 2010 Census. With it's population of 634 people, Allardt represented 3.53% of the county's total.

In addition, where the city of Allardt has a population density of 162.6 people per square mile [62.8 people/km²], Fentress County averages 36.02 people per square mile [13.91 people/km²].

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

Population Rings for Allardt ...

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

  Radius   No of
    Communities    
2016
    Population    
Change
  Since 2010    
5 mi   [8 km]22,599+0.23%
10 mi   [16 km]22,599+0.23%
15 mi   [24 km]33,144---
20 mi   [32 km]43,959+0.28%
25 mi   [40 km]915,895-0.39%
30 mi   [48 km]1231,178+1.99%

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Allardt, 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 Allardt. 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 ...

The sampling area (or polygon) given for the 2010 Census is 3.2% larger than the 2000 Census.

The 2010 Census shows that the total area for Allardt was 3.9 square miles [10.1 km²]. Of this total, only a minor amount of the area is covered by water.

The 2000 Census shows a total area of 3.78 square miles [9.8 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 Allardt, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Allardt.

For the 2010 Census, the location was given as:

Lat:   36.380665°   (or 36°22'50" N)             [Map]

Lon:   -84.881111°   (or -84°52'51" W)

For the 2000 Census, the location given was:

Lat:   36.385627°   (or 36°23'8" N)             [Map]

Lon:   -84.885426°   (or -84°53'7" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 2,208 feet to the southeast<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 (#2403081) to Allardt. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Allardt. The GNIS point has been mapped to the latitude/longitude:

Lat:   36.381171°   (or 36°22'52" N)             [Map]

Lon:   -84.881375°   (or -84°52'52" W)

The GSP location given for the 2010 Census lies 200.1 feet to the southeast<6> of the point given by the GNIS for Allardt. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Allardt.

Miscellaneous Information for Allardt ...

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

The GNIS Codes ...

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

GNIS ID for Allardt: 2403081

GNIS ID for Fentress County: 1639743

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: 049 (Fentress County)

Place Code: 00660 (Allardt)

State & County Code: 47/049 (Tennessee / Fentress County)

State & Place Code: 47/00660 (Tennessee / Allardt)

Misc. Census Codes ...

Allardt 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 Allardt.

Other Roadside Stops ...



Search for a Community in Tennessee

About Fentress County

About Tennessee

Off-the-Road Links ...

The official website of the U.S. Census Bureau


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

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


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

The official website for State of Tennessee: www.tn.gov/



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 2016.

- Return to Citation

<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.

- Return to Citation

<5>The calculated bearing (or the angle) to the 2010 Census location is 214 degrees.

- Return to Citation

<6>The calculated bearing (or the angle) to the GNIS point is 202 degrees.

- Return to Citation


For additional information, please visit our Glossary for Allardt.