Learn About
The Commemorative
Quarter for
The Commemorative Quarter for California

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.

Since 2000
Year-to-Year Change
201021,419+13.91%+0.46% since 2009
200921,321+13.39%+0.78% since 2008
200821,155+12.5%+0.26% since 2007
200018,804The Last Census

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


Websites for Colusa County

Official Website:   www.colusacountyclerk.com/

If you know of a history or genealogy society whose interest includes Colusa 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.

Other Roadside Stops ...

About California

Visit our Community Index for California

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.

- Return to Citation

<2>All Quarter-dollar coin images from the United States Mint.

- Return to Citation