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The Commemorative
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The Commemorative Quarter for North Dakota

The 2000 Census showed that Cass County had a population of 123,138 people. This represented 19.17% of the total population of North Dakota, making it the state's most populous county (out of 53 counties).

From the Census Estimates for 2009<1>, Cass had a population of 143,339 people. This is an increase of 16.41% since the 2000 Census.

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
2010149,778+21.63%+4.49% since 2009
2009143,339+16.41%+2.23% since 2008
2008140,216+13.87%+1.81% since 2007
2007137,717+11.84%+1.87% since 2006
2006135,191+9.79%+1.99% since 2005
2005132,551+7.64%+1.09% since 2004
2004131,121+6.48%+2.64% since 2003
2003127,751+3.75%+1.35% since 2002
2002126,054+2.37%+0.9% since 2001
2001124,928+1.45%+1.45% since 2000
2000123,138The Last Census

Cass County had 53,790 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Cass County has a total area<3> of 1,767 square miles [4,578 km²]. Of this total, only a minor amount of that area is covered by water (2.68 square miles [6.94 km²]).

Using the above population and land area values, Cass County had a population density of 69.8 people per square mile [26.93 people/km²], making it the most densely populated county in North Dakota.

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Cass County is available. The QuickFact also contains a comparison between Cass and the state of North Dakota.

Click here for the Cass County QuickFact (QF-38017).

Below are some of the communities that are located in Cass County:

(2009 Est)
(2000 Census)
Change in
West FargoQF-388478024,31314,94062.74%

Below are the counties that adjoin and form the boundaries of Cass County. A link to their specific Census QuickFact has been provided.

(2009 Est.)
(2000 Census)
Change in
Clay (MN)QF-27027   E56,76351,22910.8%
Norman (MN)QF-27107   NE6,4557,442-13.26%
BarnesQF-38003   W10,75311,775-8.68%
RansomQF-38073   SW5,5005,890-6.62%
RichlandQF-38077   S16,06717,998-10.73%
SteeleQF-38091   NW1,7472,258-22.63%
TraillQF-38097   N7,8688,477-7.18%

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U.S. Census Bureau
Census QuickFact for Cass County

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census.

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<2>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).

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<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Cass. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

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<4>All Quarter-dollar coin images from the United States Mint.

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