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.
Year | Population | Change Since 2000 | Year-to-Year Change |
2010 | 980,263 | +16.18% | -3.91% since 2009 |
2009 | 1,020,200 | +20.91% | +1.03% since 2008 |
2008 | 1,009,832 | +19.68% | +1.33% since 2007 |
2007 | 996,593 | +18.12% | |
--- | | | 2000 | 843,746 | The Last Census |
More information can be found on the Pima County Census Page for Pima County. .
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 | 543,910 | 486,699 | 11.75% increase |
Oro Valley | 44,003 | 29,700 | 48.16% increase |
Marana | 35,124 | 13,556 | 159.1% increase |
Sahuarita | 24,834 | 3,242 | 666% increase |
South Tucson | 6,042 | 5,490 | 10.05% increase |
Websites for Pima County
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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