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The Commemorative
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The Commemorative Quarter for Idaho

The 2000 Census showed that Madison County had a population of 27,467 people. This represented 2.12% of the total population of Idaho, making it the state's 12th most populous county (out of 44 counties).

From the Census Estimates for 2009<1>, Madison had a population of 38,440 people. This is an increase of 39.95% 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
201037,536+36.66%-2.35% since 2009
200938,440+39.95%+0.54% since 2008
200838,235+39.2%+2.89% since 2007
200737,160+35.29%+1.55% since 2006
200636,592+33.22%+4.03% since 2005
200535,173+28.06%+4.7% since 2004
200433,593+22.3%+8.04% since 2003
200331,092+13.2%+4.85% since 2002
200229,654+7.96%+5.47% since 2001
200128,116+2.36%+2.36% since 2000
200027,467The Last Census

Madison County had 7,630 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Madison County has a total area<3> of 473.4 square miles [1,226 km²]. Of this total, only a minor amount of that area is covered by water (1.84 square miles [4.77 km²]).

Using the above population and land area values, Madison County had a population density of 58.3 people per square mile [22.49 people/km²], making it the state's 5th most densely populated county (out of 44 counties).

US Census QuickFacts

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

Click here for the Madison County QuickFact (QF-16065).

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

(2009 Est.)
(2000 Census)
Change in
BonnevilleQF-16019   S101,32982,52222.79%
FremontQF-16043   NE12,69111,8197.38%
JeffersonQF-16051   W24,80219,15529.48%
TetonQF-16081   E9,3375,99955.64%

Other Roadside Stops ...

About Idaho

The Communities of Idaho

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Madison 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 Madison. 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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