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The Commemorative Quarter for Wisconsin

The 2000 Census showed that Columbia County had a population of 52,468 people. This represented 0.98% of the total population of Wisconsin, making it the state's 26th most populous county (out of 72 counties).

From the Census Estimates for 2009<1>, Columbia had a population of 55,170 people. This is an increase of 5.15% 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.

YearPopulationChange
Since 2000
Year-to-Year Change
201056,833+8.32%+3.01% since 2009
200955,170+5.15% 
200855,139+5.09%+0.14% since 2007
200755,064+4.95%+0.44% since 2006
200654,822+4.49%+0.5% since 2005
200554,550+3.97%+0.37% since 2004
200454,351+3.59%+1.33% since 2003
200353,640+2.23%+0.94% since 2002
200253,140+1.28%+0.3% since 2001
200152,980+0.98%+0.98% since 2000
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200052,468The Last Census

Columbia County had 22,685 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Columbia County has a total area<3> of 795 square miles [2,060 km²]. Of this total, 773 square miles [2,004 km²] of the area is land, with the balance (2.75%) being water (21.91 square miles [56.8 km²]).

Using the above population and land area values, Columbia County had a population density of 67.8 people per square mile [26.18 people/km²], making it the state's 26th most densely populated county (out of 72 counties).

US Census QuickFacts

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

Click here for the Columbia County QuickFact (QF-55021).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
PortageQF-55641009,8039,7280.77%

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
AdamsQF-55001   NW20,08818,6437.75%
DaneQF-55025   S491,357426,52615.2%
DodgeQF-55027   E87,33585,8971.67%
Green LakeQF-55047   NE18,47219,105-3.31%
JuneauQF-55057   NW26,45124,3168.78%
MarquetteQF-55077   N14,72715,832-6.98%
SaukQF-55111   W58,92255,2256.69%

Other Roadside Stops ...

About Wisconsin

Visit our Community Index for Wisconsin

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Columbia 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 Columbia. 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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