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Town of Waldwick, Wisconsin

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Census Data for Waldwick ...

Population ...

The most recent Census Estimate<1> was for 2017 and it gives Waldwick a population of 480 people.

The last Decennial Census<2> was in 2010, giving Waldwick a population of 473 people.

The community of Waldwick is located in Iowa County. The 2010 Census gave Iowa County a population of 23,687 people. This means that Waldwick had 2% of the county's total population, making it Iowa's 18th most populous community.

At the same time, Wisconsin had a population of 5,686,986 people.

Area ...

When the Census Bureau conducts a census for a community like Waldwick, 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 Waldwick reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Waldwick 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 Waldwick has a total area of 41.97 square miles [108.7 km²].

Iowa County has a land area of 762 square miles [1,975.1 km²]. At 41.97 square miles [108.7 km²], Waldwick has 5.5% 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:   42° 51' 53"   (or 42.86°)             [Map]

Lon:   -90° 0' 52"   (or -90.01°)

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 (473 people) and land area (41.97 square miles [108.7 km²]) values from the 2010 Census, Waldwick had a population density of 11.27 people per square mile [4.35 people/km²].

In comparison, the 2000 Census shows Waldwick had a population of 500 people and a land area of 41.94 square miles [108.6 km²]. This gives a population density of 11.92 people per square mile [4.6 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 Waldwick. 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, Waldwick had 207 Housing Units<3> and with its population of 473 people, this averages 2.29 people per Housing Unit.

The 2010 Census shows Waldwick had a land area of 41.97 square miles [108.7 km²]. This translates to 4.93 Housing Units per square mile [1.9 housing units/km²].

From the Census of 2000: Waldwick had 192 Housing Units, a population of 500 people and a land area of 41.94 square miles [108.6 km²]. This gives a density of 2.6 people per Housing Unit and 4.58 Housing Units per square mile [1.77 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 Waldwick 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).

Iowa County ...

The community of Waldwick is located in Iowa County.

The county had a population of 23,687 people at the 2010 Census. With it's population of 473 people, Waldwick represented 2% of the county's total.

In addition, where the community of Waldwick has a population density of 11.27 people per square mile [4.35 people/km²], Iowa County averages 31.06 people per square mile [11.99 people/km²].

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

Population Rings for Waldwick ...

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

  Radius   No of
  Since 2010    
5 mi   [8 km]2762+0.13%
10 mi   [16 km]1213,062+0.52%
15 mi   [24 km]2827,753---
20 mi   [32 km]4851,200+1.48%
25 mi   [40 km]85101,126+2.95%
30 mi   [48 km]115174,098+4.78%

Census-to-Census Observations ...

Introduction ...

When the Census Bureau takes a census count (or enumeration) for Waldwick, 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 Waldwick. 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 Waldwick was 41.97 square miles [108.7 km²]. Of this total, only a minor amount of the area is covered by water.

The 2000 Census shows a total area of 41.94 square miles [108.6 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 Waldwick, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Waldwick.

For the 2010 Census, the location was given as:

Lat:   42.864732°   (or 42°51'53" N)             [Map]

Lon:   -90.014687°   (or -90°0'52" W)

For the 2000 Census, the location given was:

Lat:   42.866534°   (or 42°51'59" N)             [Map]

Lon:   -90.009738°   (or -90°0'35" W)

The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 1,476 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 (#1584340) to Waldwick. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Waldwick. The GNIS point has been mapped to the latitude/longitude:

Lat:   42.863055°   (or 42°51'46" N)             [Map]

Lon:   -90.022624°   (or -90°1'21" W)

The GSP location given for the 2010 Census lies 2,207 feet to the east<6> of the point given by the GNIS for Waldwick. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Waldwick.

Miscellaneous Information for Waldwick ...

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 Iowa County or the community of Waldwick:

The GNIS Codes ...

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

GNIS ID for Waldwick: 1584340

GNIS ID for Iowa County: 1581084

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: 049 (Iowa County)

Place Code: 83150 (Waldwick)

State & County Code: 55/049 (Wisconsin / Iowa County)

State & Place Code: 55/83150 (Wisconsin / Waldwick)

Misc. Census Codes ...

Waldwick 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 Waldwick.

Other Roadside Stops ...

Search for a Community located in Wisconsin

About Iowa 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 Waldwick. If you can help, please contact us through our Feedback Page.

The official website for Iowa County:

The official website for State of Wisconsin:

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 116 degrees and a distance of 1,476 feet.

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<6>The calculated bearing (or angle) to the GNIS point is 286 degrees and a distance of 2,207 feet.

- Return to Citation


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This page was last modified: 13 Nov 2018
By John Hall