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Woodruff, Utah

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Census Data for Woodruff ...

Population ...

The most recent Census Estimate<1> was for 2017 and it gives Woodruff a population of 194 people.

The last Decennial Census<2> was in 2010, giving Woodruff a population of 180 people.

The town of Woodruff is located in Rich County. The 2010 Census gave Rich County a population of 2,264 people. This means that Woodruff had 7.95% of the county's total population, making it Rich's 4th most populous community.

At the same time, Utah had a population of 2,763,885 people.

Area ...

When the Census Bureau conducts a census for a town like Woodruff, 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 town.

Things like the population, area and housing for Woodruff reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Woodruff 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 Woodruff has a total area of 0.46 square miles [1.2 km²].

Rich County has a land area of 1,028 square miles [2,664.5 km²]. At 0.46 square miles [1.2 km²], Woodruff has 0.04% 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:   41° 31' 17"   (or 41.52°)             [Map]

Lon:   -111° 9' 46"   (or -111.16°)

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 (180 people) and land area (0.46 square miles [1.2 km²]) values from the 2010 Census, Woodruff had a population density of 390.5 people per square mile [150.8 people/km²].

In comparison, the 2000 Census shows Woodruff had a population of 194 people and a land area of 0.54 square miles [1.4 km²]. This gives a population density of 361.4 people per square mile [139.5 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 Woodruff. You need to be careful when making such a comparison, the differences are likely to lead to a misleading comparison. More information about the changes can be found in the section Census-to-Census Observations ... (see below).

Housing Units ...

At the time of the 2010 Census, Woodruff had 76 Housing Units<3> and with its population of 180 people, this averages 2.37 people per Housing Unit.

The 2010 Census shows Woodruff had a land area of 0.46 square miles [1.2 km²]. This translates to 164.9 Housing Units per square mile [63.7 housing units/km²].

From the Census of 2000: Woodruff had 75 Housing Units, a population of 194 people and a land area of 0.54 square miles [1.4 km²]. This gives a density of 2.59 people per Housing Unit and 139.7 Housing Units per square mile [53.9 housing units/km²].

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

Rich County ...

Woodruff is located in Rich County.

The county had a population of 2,264 people at the 2010 Census. With it's population of 180 people, Woodruff represented 7.95% of the county's total.

In addition, where the town of Woodruff has a population density of 390.5 people per square mile [150.8 people/km²], Rich County averages 2.2 people per square mile [0.85 people/km²].

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

Population Rings for Woodruff ...

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

  Radius   No of
  Since 2010    
5 mi   [8 km]1194+7.78%
10 mi   [16 km]2676+4.97%
15 mi   [24 km]31,194+2.75%
20 mi   [32 km]413,060-3.41%
30 mi   [48 km]513,326-3.22%

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Woodruff, 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 Woodruff. 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 14.13% smaller than the 2000 Census.

The 2010 Census shows that the total area for Woodruff was 0.46 square miles [1.2 km²]. Of this total, only a minor amount of the area is covered by water.

The 2000 Census shows a total area of 0.54 square miles [1.4 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 Woodruff, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Woodruff.

For the 2010 Census, the location was given as:

Lat:   41.521663°   (or 41°31'17" N)             [Map]

Lon:   -111.162968°   (or -111°9'46" W)

For the 2000 Census, the location given was:

Lat:   41.522888°   (or 41°31'22" N)             [Map]

Lon:   -111.161383°   (or -111°9'40" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 621 feet to the southwest<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 (#2413507) to Woodruff. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Woodruff. The GNIS point has been mapped to the latitude/longitude:

Lat:   41.522551°   (or 41°31'21" N)             [Map]

Lon:   -111.163120°   (or -111°9'47" W)

The GSP location given for the 2010 Census lies 326.4 feet to the south<6> of the point given by the GNIS for Woodruff. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Woodruff.

Miscellaneous Information for Woodruff ...

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 Rich County or the town of Woodruff:

The GNIS Codes ...

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

GNIS ID for Woodruff: 2413507

GNIS ID for Rich County: 1448030

GNIS ID for Utah: 1455989

The FIPS Codes ...

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

State Code: 49 (Utah)

County Code: 033 (Rich County)

Place Code: 85260 (Woodruff)

State & County Code: 49/033 (Utah / Rich County)

State & Place Code: 49/85260 (Utah / Woodruff)

Misc. Census Codes ...

Woodruff is located in Census Region #4 (the West Region) and Division #8 (the Mountain Division).

The US Postal Service ZIP Code ...

While some people have used a ZIP code to identify a community, the purpose of the ZIP code was to make mail delivery more efficient by grouping addresses together. Although the ZIP Code doesn't specifically identify a town like Woodruff, it does identify addresses that are in (or near) Woodruff. It's important to remember that the boundaries of a ZIP Code can be changed, re-assigned or overlapped with other ZIP Codes.

The ZIP code for Woodruff: 84086<7>

Census ZCTA Codes ...

The US Census Bureau created statistical entities that they call ZIP Code Tabulation Areas (ZCTAs) and these ZCTAs are frequently confused with the ZIP codes that come from the US Postal Service (USPS).

ZCTAs were first created for the 2000 Census and at that time, they were based upon the USPS ZIP codes. While largely covering the same areas, the boundaries of a ZCTA do not necessarily match the boundaries of a postal ZIP code with the same number. For example, while a postal ZIP code can cross a county or state line, a Census ZCTA can not. They should be treated as separate entities with no correlation between them.

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

Other Roadside Stops ...

Find a Community within Utah

About Rich County

About Utah

Off-the-Road Links ...

The official website of the U.S. Census Bureau

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

The official website for State of Utah:

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 2017.

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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 135 degrees and a distance of 621 feet.

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<6>The calculated bearing (or angle) to the GNIS point is 187 degrees and a distance of 326.4 feet.

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<7>When looking for a ZIP Code, whether Woodruff or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

- Return to Citation


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This page was last modified: 16 Oct 2018
By John Hall