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The Commemorative Quarter for Pennsylvania

The 2000 Census showed that Clarion County had a population of 41,765 people. This represented 0.34% of the total population of Pennsylvania, making it the state's 53rd most populous county (out of 67 counties).

From the Census Estimates for 2009<1>, Clarion had a population of 39,479 people. This is a decrease of 5.47% 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
201039,988-4.25%+1.29% since 2009
200939,479-5.47%-0.69% since 2008
200839,753-4.82%-0.28% since 2007
200739,865-4.55%-0.66% since 2006
200640,131-3.91%+0.19% since 2005
200540,055-4.09%-0.32% since 2004
200440,185-3.78%-2.08% since 2003
200341,038-1.74% 
200241,068-1.67%-1% since 2001
200141,484-0.67%-0.67% since 2000
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200041,765The Last Census

Clarion County had 19,426 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Clarion County has a total area<3> of 608 square miles [1,577 km²]. Of this total, 602 square miles [1,560 km²] of the area is land, with the balance (1.07%) being water (6.51 square miles [16.85 km²]).

Using the above population and land area values, Clarion County had a population density of 69.3 people per square mile [26.77 people/km²], making it the state's 51st most densely populated county (out of 67 counties).

US Census QuickFacts

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

Click here for the Clarion County QuickFact (QF-42031).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
ClarionQF-42138005,2326,185-15.41%

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
ArmstrongQF-42005   S67,85172,392-6.27%
ButlerQF-42019   SW184,694174,0836.1%
ForestQF-42053   N6,7754,94636.98%
JeffersonQF-42065   E44,63445,932-2.83%
VenangoQF-42121   NW54,18357,565-5.88%

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U.S. Census Bureau
Census QuickFact for Clarion 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 Clarion. 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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