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The Commemorative Quarter for California

The 2000 Census showed that Plumas County had a population of 20,824 people. This represented 0.06% of the total population of California, making it the state's 50th most populous county (out of 58 counties).

From the Census Estimates for 2009<1>, Plumas had a population of 20,122 people. This is a decrease of 3.37% 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
201020,007-3.92%-0.57% since 2009
200920,122-3.37%-1.16% since 2008
200820,359-2.23%-1.2% since 2007
200720,606-1.05%-0.47% since 2006
200620,704-0.58%-1.21% since 2005
200420,963+0.67%+0.16% since 2003
200320,929+0.5%+0.33% since 2002
200220,861+0.18%+0.17% since 2001
200020,824The Last Census

Plumas County had 13,386 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Plumas County has a total area<3> of 2,613 square miles [6,768 km²]. Of this total, 2,553 square miles [6,614 km²] of the area is land, with the balance (2.29%) being water (59.8 square miles [154.8 km²]).

Using the above population and land area values, Plumas County had a population density of 8.15 people per square mile [3.15 people/km²], making it the state's 50th most densely populated county (out of 58 counties).

US Census QuickFacts

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

Click here for the Plumas County QuickFact (QF-06063).

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

(2009 Est.)
(2000 Census)
Change in
ButteQF-06007   SW220,577203,1718.57%
LassenQF-06035   N34,47333,8281.91%
ShastaQF-06089   NW181,099163,25610.93%
SierraQF-06091   SE3,1743,555-10.72%
TehamaQF-06103   W61,13856,0399.1%
YubaQF-06115   SW72,92560,21921.1%

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U.S. Census Bureau
Census QuickFact for Plumas 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 Plumas. 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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