A Gazetteer for the United States and Canada

Plain, Wisconsin

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Census Data for Plain ...

Population ...

The most recent Census Estimate<1> was for 2019 and it gave Plain a population of 768 people.

The last Decennial Census<2> was in 2010, which gave Plain a population of 773 people.

The village of Plain is located in Sauk County. The 2010 Census gave Sauk County; a population of 61,976 people. This means that Plain had 1.25% of the county's total population, making it Sauk's 24th most populous community.

At the same time, Wisconsin had a population of 5,686,986 people, meaning that Plain had 0.01% of the total population of Wisconsin - making it the state's 1122nd most populous community.

Area ...

The 2010 Census shows that the sampling area for Plain has a total area of 0.83 square miles [2.2 km²].

Sauk County has a land area of 830 square miles [2,152 km²]. At 0.83 square miles [2.2 km²], Plain has 0.1% of the county's total land area.

  • Continue Reading ...
    • When the Census Bureau conducts a census for a village like Plain, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually 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 village.
    • Things like population, area and housing for Plain reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Plain might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.
    • 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:   43° 16' 40"   (or 43.28°)
    • Lon:   -90° 2' 31"   (or -90.04°)
    • 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).

Housing Units ...

At the time of the 2010 Census, Plain had 358 Housing Units<3> and with its population of 773 people, this averages 2.16 people per Housing Unit.

  • Continue Reading ...
    • The 2010 Census shows Plain had a land area of 0.83 square miles [2.2 km²]. This translates to 429.3 Housing Units per square mile [165.7 housing units/km²].
    • From the Census of 2000: Plain had 339 Housing Units, a population of 792 people and a land area of 0.73 square miles [1.9 km²]. This gives a density of 2.34 people per Housing Unit and 463.7 Housing Units per square mile [179 housing units/km²].
    • Note: Repeating the caution above (under Population Density), be aware that when comparing Housing Units between the 2010 Census and the 2000 Census, there were changes in the sampling area for Plain and you need to be careful when comparing between the censuses. More information about the changes can be found in the section called Census-to-Census Observations ... (see below).

Sauk County ...

The community of Plain is located in Sauk County<4>.

The county had a population of 61,976 people at the 2010 Census. With it's population of 773 people, Plain represented 1.25% of the county's total.

In addition, where the village of Plain has a population density of 926 people per square mile [357.9 people/km²], Sauk County averages 74.6 people per square mile [28.8 people/km²].

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

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Plain, 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 Plain. It's important to note that from one Census to the next, the shape and location of the polygon can change.

  • Continue Reading ...
    • Although we don't have specific information about the shape of the polygon for Plain or how it changed has over time, there is some information that can give us some hints. For example, since the shape of the sampling area is directly related to the shape of the polygon, any change to area probably indicates a new shape for the polygon.
    • If you need precision or details about the methodology of the Census, you should visit the U.S. Census Bureau for a definitive answer.

Location ...

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

  • Continue Reading ...
    • For the 2010 Census, the location was given as:
    • Lat:   43.278041°   (or 43°16'40" N)
    • Lon:   -90.042082°   (or -90°2'31" W)
    • For the 2000 Census, the location given was:
    • Lat:   43.277580°   (or 43°16'39" N)
    • Lon:   -90.044563°   (or -90°2'40" W)
    • The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 679 feet to the east<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 (#1583930) to Plain. This identifier also marks a GPS point on the map, and that point lies within the boundaries of Plain. The GNIS point has been mapped to the latitude/longitude:
    • Lat:   43.278322°   (or 43°16'41" N)
    • Lon:   -90.042346°   (or -90°2'32" W)
    • The GPS location given for the 2010 Census lies 124.1 feet to the southeast<6> of the point given by the GNIS for Plain. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Plain.

Miscellaneous Information for Plain ...

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 Sauk County or the village of Plain:

  • The GNIS Codes ...
    • The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Plain:
    • GNIS ID for Plain: 1583930
    • GNIS ID for Sauk County: 1581115
    • GNIS ID for State of Wisconsin: 1779806
  • The FIPS Codes ...
    • An earlier (and largely obsolete) identification method was called the Federal Information Processing Standard (FIPS):
    • State Code: 55 (Wisconsin)
    • County Code: 111 (Sauk County)
    • Place Code: 63125 (Plain)
    • State & County Code: 55/111 (Wisconsin / Sauk County)
    • State & Place Code: 55/63125 (Wisconsin / Plain)
  • Misc. Census Codes ...
    • Plain is located in Census Region #2 (the Midwest Region) and Division #3 (the East North-Central Division).

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

Other Roadside Stops ...

Index of Cities, Towns and Villages for Wisconsin

About Sauk County

About Wisconsin

Off-the-Road Links ...

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

The official website for Sauk County:

The official website for State of Wisconsin:

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)

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 2019.
<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.
<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).
<4>If you're interested in how the shape of Wisconsin's counties, including Sauk, have changed over time, we recommend the Atlas of Historical County Boundaries.
<5>The calculated bearing (or angle) to the 2010 Census location is 284 degrees and a distance of 679 feet.
<6>The calculated bearing (or angle) to the GNIS point is 214 degrees and a distance of 124.1 feet.






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This page was last modified: 30 Nov 2021