Contra Costa County, California

Time Zone: Contra Costa County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Martinez is the seat for Contra Costa County.

Contra Costa County is one of the original counties of California and was founded in 1850.

Using the Census estimates for 2008^<1>, Contra Costa had a population of 1,029,703 people. This is an increase of 8.01% since the 2000 Census, which gave a population of 953,304 people.

At the time of the 2000 Census, Contra Costa represented 2.8% of the total population of California, making it the state's 9th most populous county (out of 58 counties).

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated. More information can be found on the Contra Costa County Census page.

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

The Commemorative Quarter for California<2>

Search for Local Businesses

We have prepared the following searches to help you find businesses, travel and vacation activities. It's likely that the search results won't include all of the businesses that are in this area, but the results should give you a good foundation for further searches.

For what it's worth: In addition to helping you submit your own search, clicking 'Other...' will frequently (but not always) show you some popular searches for this area.

If you find an error or your business wasn't included in the results, please contact Google to help them resolve the issue (we simply link to 'Search-by-Location' and have no control over their results).

Other Roadside Stops

Off-the-Road Links

Footnotes