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Town of Waterloo, Wisconsin
(Jefferson County)

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The location of Town of Waterloo

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(GPS coordinates provided by the GNIS)
 
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Town of Waterloo
and the surrounding area.
 
 
 
 
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Census Data for Waterloo ...

Population ...

The most recent Census Estimate<1> was for 2016 and it gives Waterloo a population of 929 people.

The last Decennial Census<2> was in 2010, giving Waterloo a population of 909 people.

The community of Waterloo is located in Jefferson County. The 2010 Census gave Jefferson County a population of 83,686 people. This means that Waterloo had 1.09% of the county's total population, making it Jefferson's 21st most populous community.

At the same time, Wisconsin had a population of 5,686,986 people, meaning that Waterloo had 0.02% of the total population of Wisconsin - making it the state's 964th most populous community.

Area ...

When the Census Bureau conducts a census for a community like Waterloo, 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 community.

Things like the population, area and housing for Waterloo reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Waterloo 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 Waterloo has a total area of 32.34 square miles [83.7 km²]. Of this total, a small amount of the area is covered by water (0.03 square miles [0.1 km²]).

Jefferson County has a land area of 556 square miles [1,441.3 km²]. At 32.3 square miles [83.7 km²], Waterloo has 5.8% 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:   43° 9' 1"   (or 43.15°)             [Map]

Lon:   -88° 56' 20"   (or -88.94°)

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 (909 people) and land area (32.3 square miles [83.7 km²]) values from the 2010 Census, Waterloo had a population density of 28.11 people per square mile [10.85 people/km²].

In comparison, the 2000 Census shows Waterloo had a population of 832 people and a land area of 32.32 square miles [83.7 km²]. This gives a population density of 25.74 people per square mile [9.94 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 Waterloo. You need to be careful when making such a comparison, the differences are likely to lead to a misleading 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, Waterloo had 365 Housing Units<3> and with its population of 909 people, this averages 2.49 people per Housing Unit.

The 2010 Census shows Waterloo had a land area of 32.3 square miles [83.7 km²]. This translates to 11.29 Housing Units per square mile [4.36 housing units/km²].

From the Census of 2000: Waterloo had 312 Housing Units, a population of 832 people and a land area of 32.32 square miles [83.7 km²]. This gives a density of 2.67 people per Housing Unit and 9.65 Housing Units per square mile [3.73 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 Waterloo and you need to be careful when comparing 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).

Jefferson County ...

The community of Waterloo is located in Jefferson County.

The county had a population of 83,686 people at the 2010 Census. With it's population of 909 people, Waterloo represented 1.09% of the county's total.

In addition, where the community of Waterloo has a population density of 28.11 people per square mile [10.85 people/km²], Jefferson County averages 150.4 people per square mile [58.1 people/km²].

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

Population Rings for Waterloo ...

To help identify the number of people who live in Waterloo and the surrounding area, we have drawn concentric rings centered on Waterloo. 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]513,336+1.65%
10 mi   [16 km]1633,239+3.31%
15 mi   [24 km]35133,789+4.68%
20 mi   [32 km]57196,130+4.3%
25 mi   [40 km]102625,842+5.72%
30 mi   [48 km]142760,979+5.33%

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Waterloo, 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 Waterloo. 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 Waterloo was 32.34 square miles [83.7 km²]. Of this total, only a minor amount of the area is covered by water.

The 2000 Census shows a total area of 32.32 square miles [83.7 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 Waterloo, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Waterloo.

For the 2010 Census, the location was given as:

Lat:   43.150466°   (or 43°9'1" N)             [Map]

Lon:   -88.939085°   (or -88°56'20" W)

For the 2000 Census, the location given was:

Lat:   43.158245°   (or 43°9'29" N)             [Map]

Lon:   -88.950975°   (or -88°57'3" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 4,247 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 (#1584364) to Waterloo. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Waterloo. The GNIS point has been mapped to the latitude/longitude:

Lat:   43.146664°   (or 43°8'47" N)             [Map]

Lon:   -88.942330°   (or -88°56'32" W)

The GSP location given for the 2010 Census lies 1,632 feet to the northeast<6> of the point given by the GNIS for Waterloo. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Waterloo.

Miscellaneous Information for Waterloo ...

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 Jefferson County or the community of Waterloo:

The GNIS Codes ...

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

GNIS ID for Waterloo: 1584364

GNIS ID for Jefferson County: 1581087

GNIS ID for 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: 055 (Jefferson County)

Place Code: 83950 (Waterloo)

State & County Code: 55/055 (Wisconsin / Jefferson County)

State & Place Code: 55/83950 (Wisconsin / Waterloo)

Misc. Census Codes ...

Waterloo 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 Waterloo.

Other Roadside Stops ...



Communities in Wisconsin

About Jefferson County

About Wisconsin

Off-the-Road Links ...

The official website of the U.S. Census Bureau


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

The official website for Jefferson County: www.jeffersoncountywi.gov

The official website for State of Wisconsin: www.wisconsin.gov/


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 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 angle) to the 2010 Census location is 228 degrees and a distance of 4,247 feet.

- Return to Citation

<6>The calculated bearing (or angle) to the GNIS point is 328 degrees and a distance of 1,632 feet.

- Return to Citation


For additional information, please visit our Glossary for Waterloo.