Time Zone: Placer County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.
The community of Auburn is the Seat for Placer County.
Placer County was founded in 1851. Placer was created by taking area from Sutter and Counties.
From the Census Estimates for 2009, <1> Placer had a population of 348,552 people. This is an increase of 40.32% since the last Census (which gave a population of 248,399 people in 2000).
At the time of the 2000 Census, Placer represented 0.73% of the total population of California, making it the state's 23rd most populous county (out of 58 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 | 348,432 | +40.27% | |
2009 | 348,552 | +40.32% | +2.2% since 2008 |
2008 | 341,041 | +37.3% | +2.76% since 2007 |
2007 | 331,870 | +33.6% | |
--- | | | 2000 | 248,399 | The Last Census |
More information can be found on the Placer County Census Page for Placer County. .
Below are some of the communities located in Placer County (for more communities, please visit our Nearby Page for Placer County):
Community | 2009 Population | 2000 Population | Change (2009vs. 2000) |
Roseville | 115,677 | 79,921 | 44.74% increase |
Rocklin | 53,568 | 36,330 | 47.45% increase |
Lincoln | 44,427 | 11,205 | 296.5% increase |
Auburn | 13,351 | 12,462 | 7.13% increase |
Loomis | 6,873 | 6,260 | 9.79% increase |
Websites for Placer County
If you know of a history or genealogy society whose interest includes Placer 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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