Time Zone: Colusa County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.
The community of Colusa is the Seat for Colusa County.
Colusa County is one of the original counties of California and was founded in 1850.
From the Census Estimates for 2009, <1> Colusa had a population of 21,321 people. This is an increase of 13.39% since the last Census (which gave a population of 18,804 people in 2000).
At the time of the 2000 Census, Colusa represented 0.06% of the total population of California, making it the state's 51st 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 | 21,419 | +13.91% | +0.46% since 2009 |
2009 | 21,321 | +13.39% | +0.78% since 2008 |
2008 | 21,155 | +12.5% | +0.26% since 2007 |
2007 | 21,100 | +12.21% | |
--- | | | 2000 | 18,804 | The Last Census |
More information can be found on the Colusa County Census Page for Colusa County. .
Websites for Colusa County
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