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The Commemorative
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The Commemorative Quarter for South Carolina

The 2000 Census showed that Allendale County had a population of 11,211 people. This represented 0.28% of the total population of South Carolina, making it the state's 45th most populous county (out of 46 counties).

From the Census Estimates for 2009<1>, Allendale had a population of 10,195 people. This is a decrease of 9.06% 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
201010,419-7.06%+2.2% since 2009
200910,195-9.06%-2.04% since 2008
200810,407-7.17%-0.11% since 2007
200710,418-7.07%-1.19% since 2006
200610,544-5.95%-1.76% since 2005
200510,733-4.26%-0.75% since 2004
200410,814-3.54%-0.94% since 2003
200310,917-2.62%-0.78% since 2002
200211,003-1.86%+0.36% since 2001
200110,964-2.2%-2.2% since 2000
200011,211The Last Census

Allendale County had 4,568 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Allendale County has a total area<3> of 412.6 square miles [1,068 km²]. Of this total, 408.2 square miles [1,057 km²] of the area is land, with the balance (1.06%) being water (4.38 square miles [11.34 km²]).

Using the above population and land area values, Allendale County had a population density of 27.46 people per square mile [10.6 people/km²], making it the state's 46th most densely populated county (out of 46 counties).

US Census QuickFacts

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

Click here for the Allendale County QuickFact (QF-45005).

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

(2009 Est)
(2000 Census)
Change in

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

(2009 Est.)
(2000 Census)
Change in
Burke (GA)QF-13033   W22,79722,2432.49%
Screven (GA)QF-13251   SW15,05415,374-2.08%
BambergQF-45009   NE15,00516,658-9.92%
BarnwellQF-45011   N22,68823,478-3.36%
ColletonQF-45029   E39,24638,2642.57%
HamptonQF-45049   SE21,01421,386-1.74%

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U.S. Census Bureau
Census QuickFact for Allendale 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 Allendale. 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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