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The Commemorative Quarter for Arizona

Time Zone: Pima County lies in the Mountain Standard Time Zone (MST) and does not observe daylight saving time.

The community of Tucson is the Seat for Pima County.

Pima County is one of the original counties of Arizona and was founded in 1864.

From the Census Estimates for 2009, <1> Pima had a population of 1,020,200 people. This is an increase of 20.91% since the last Census (which gave a population of 843,746 people in 2000).

At the time of the 2000 Census, Pima represented 16.45% of the total population of Arizona, making it the state's 2nd most populous county (out of 15 counties).

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
2010980,263+16.18%-3.91% since 2009
20091,020,200+20.91%+1.03% since 2008
20081,009,832+19.68%+1.33% since 2007
2007996,593+18.12% 
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2000843,746The Last Census

More information can be found on the Pima County Census Page for Pima County.

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Below are some of the communities located in Pima County (for more communities, please visit our Nearby Page for Pima County):

Community 2009
Population		2000
Population		Change
(2009vs. 2000)
Tucson   543,910486,69911.75% increase  
Oro Valley   44,00329,70048.16% increase  
Marana   35,12413,556159.1% increase  
Sahuarita   24,8343,242666% increase  
South Tucson   6,0425,49010.05% increase  

Websites for Pima County

Official Website:   www.co.pima.az.us/

If you know of a history or genealogy society whose interest includes Pima County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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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>All Quarter-dollar coin images from the United States Mint.

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