A Gazetteer for the United States and Canada
Town of Spring Green, Wisconsin
Census Data for Spring Green ...
The most recent Census Estimate<1> was for 2017 and it gave Spring Green a population of 1,802 people.
The last Decennial Census<2> was in 2010, which gave Spring Green a population of 1,697 people.
The community of Spring Green is located in Sauk County. The 2010 Census gave Sauk County a population of 61,976 people. This means that Spring Green had 2.74% of the county's total population, making it Sauk's 7th most populous community.
When the Census Bureau conducts a census for a community like Spring Green, they draw a boundary around the area in which they are going to conduct their count - this defines the sampling area (usually shaped as 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 Spring Green reflect the sampling area. Since the shape of the sampling area and the actual boundaries of Spring Green might be different, it's best to check with the U.S. Census Bureau to resolve any difference between the two.
The 2010 Census shows that the sampling area for Spring Green has a total area of 45.77 square miles [118.5 km²]. Of this total, 43 square miles [111.4 km²] is land, with the balance (6.05%) being water (2.77 square miles [7.2 km²]).
Sauk County has a land area of 830 square miles [2,152 km²]. At 43 square miles [111.4 km²], Spring Green has 5.18% 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 the center of the polygon, known as the centroid). At the time of the 2010 Census, the sampling area was located at:
Lat: 43° 11' 51" (or 43.2°) [Map]
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 (1,697 people) and land area (43 square miles [111.4 km²]) values from the 2010 Census, Spring Green had a population density of 37.08 people per square mile [14.31 people/km²].
In comparison, the 2000 Census shows Spring Green had a population of 1,585 people and a land area of 44.39 square miles [115 km²]. This gives a population density of 34.3 people per square mile [13.24 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 Spring Green. You need to be careful when making such a comparison, the differences are likely to lead to an incorrect 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, Spring Green had 816 Housing Units<3> and with its population of 1,697 people, this averages 2.08 people per Housing Unit.
The 2010 Census shows Spring Green had a land area of 43 square miles [111.4 km²]. This translates to 17.83 Housing Units per square mile [6.88 housing units/km²].
From the Census of 2000: Spring Green had 661 Housing Units, a population of 1,585 people and a land area of 44.39 square miles [115 km²]. This gives a density of 2.4 people per Housing Unit and 14.3 Housing Units per square mile [5.52 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 Spring Green and you need to be careful when comparing between the censuses. More information about these differences can be found in the section called Census-to-Census Observations ... (see below).
Sauk County ...
The community of Spring Green is located in Sauk County.
The county had a population of 61,976 people at the 2010 Census. With it's population of 1,697 people, Spring Green represented 2.74% of the county's total.
In addition, where the community of Spring Green has a population density of 37.08 people per square mile [14.31 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.
Population Rings for Spring Green ...
To help identify the number of people who live in Spring Green and the surrounding area, we have drawn concentric rings centered on Spring Green. We counted the number of communities within each ring and summed their populations.<4>
Census-to-Census Observations ...
When the Census Bureau takes a census count (or enumeration) for Spring Green, 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 Spring Green. 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.
The sampling area (or polygon) given for the 2010 Census is 0.96% smaller than the 2000 Census.
The 2010 Census shows that the total area for Spring Green was 45.77 square miles [118.5 km²]. Of this total, 43 square miles [111.4 km²] is land, with the balance (6.05%) being water (2.77 square miles [7.2 km²]).
The 2000 Census shows a total area of 46.22 square miles [119.7 km²]. Of this total, 44.39 square miles [115 km²] is land, with the balance (3.99%) being water (1.83 square miles [4.7 km²]).
While generally coinciding with the GPS location (latitude/longitude) of Spring Green, the latitude and longitude given by the Census Bureau actually indicates the GPS location of the polygon for Spring Green.
For the 2010 Census, the location was given as:
Lat: 43.197620° (or 43°11'51" N) [Map]
For the 2000 Census, the location given was:
Lat: 43.183818° (or 43°11'1" N) [Map]
The difference indicates that the U.S. Census Bureau moved the location of the polygon for the 2010 Census 5,034 feet to the north<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 (#1584197) to Spring Green. This identifier also marks a GSP point on the map, and that point lies within the boundaries of Spring Green. The GNIS point has been mapped to the latitude/longitude:
Lat: 43.198046° (or 43°11'52" N) [Map]
The GSP location given for the 2010 Census lies 285.6 feet to the southwest<6> of the point given by the GNIS for Spring Green. For more information about this and the relationship of the various Federal Codes, please visit our Misc Page for Spring Green.
Miscellaneous Information for Spring Green ...
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 community of Spring Green:
The GNIS Codes ...
The current system of identification is called the Geographic Names Information System (GNIS). The following GNIS codes relate to Spring Green:
GNIS ID for Spring Green: 1584197
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: 76050 (Spring Green)
Misc. Census Codes ...
Spring Green 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 Spring Green.
Other Roadside Stops ...
Off-the-Road Links ...
The official website of the U.S. Census Bureau
Unfortunately, we don't know of a website for Spring Green. If you can help, please contact us through our Feedback Page.
The official website for Sauk County: www.co.sauk.wi.us/
The official website for State of Wisconsin: https://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)
Please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.
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This page was last modified: 04 Jan 2019