San Diego County, California

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Open an interactive map for San Diego and the surrounding area.

The 2000 Census showed that San Diego County had a population of 2,825,395 people. This represented 8.31% of the total population of California, making it the state's 3rd most populous county (out of 58 counties).

From the Census estimates for 2008 ^<1>, San Diego had a population of 3,001,072 people. This is an increase of 6.22% since the 2000 Census.

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated.

Year	Population	Change Since 2000	Year-to-Year Change
2008	3,001,072	+6.2%	+1.4% since 2007
2007	2,959,734	+4.74%	+0.77% since 2006
2006	2,937,023	+3.94%	+0.18% since 2005
2005	2,931,689	+3.75%
2004	2,930,053	+3.69%	+0.09% since 2003
2003	2,927,311	+3.59%	+0.75% since 2002
2002	2,905,609	+2.83%	+1.25% since 2001
2001	2,869,630	+1.55%	+1.55% since 2000
---
2000	2,825,752	The Last Census

San Diego County had 1,040,149 Housing Units ^<2> at the time of the 2000 Census.

The 2000 Census shows that San Diego County has a total area ^<3> of 4,525 square miles [11,721 km²]. Of this total, 4,199 square miles [10,877 km²] of the area is land, with the balance (7.2%) being water (325.6 square miles [843 km²]).

Using the above population and land area values, San Diego County had a population density of 672 people per square mile [259.7 people/km²], making it the state's 9th most densely populated county (out of 58 counties).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to San Diego County is available. The QuickFact also contains a comparison between San Diego and the state of California.

Click here for the San Diego County QuickFact (QF-06073).

Below are some of the communities that are located in San Diego County:

Community	Census QuickFact	Population (2008 est)	Population (2000 Census)	Change in Population
San Diego	QF-0666000	1,279,329	1,223,400	4.57%
Chula Vista	QF-0613392	219,318	173,556	26.37%
Oceanside	QF-0653322	169,684	161,029	5.37%
Escondido	QF-0622804	137,103	133,559	2.65%
Carlsbad	QF-0611194	96,374	78,247	23.17%
El Cajon	QF-0621712	92,718	94,869	-2.27%
Vista	QF-0682996	91,144	89,857	1.43%
San Marcos	QF-0668196	79,114	54,977	43.9%
Encinitas	QF-0622678	60,372	58,014	4.06%
National City	QF-0650398	58,680	54,260	8.15%
La Mesa	QF-0640004	54,673	54,749	-0.14%
Santee	QF-0670224	53,860	52,975	1.67%
Poway	QF-0658520	48,858	48,044	1.69%

Below are the counties that adjoin and form the boundaries of San Diego County. A link to their specific Census QuickFact has been provided.

County	Census QuickFact	Direction	Population (2008 est)	Population (2000 Census)	Change in Population
Imperial	QF-06025	E	163,972	142,411	15.14%
Orange	QF-06059	NW	3,010,759	2,856,918	5.38%
Riverside	QF-06065	N	2,100,516	1,559,277	34.71%

The Commemorative
Quarter for
California ^<4>

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

About California

Find a Community within California

Off-the-Road Links

U.S. Census Bureau

Census QuickFact for San Diego County

The following websites contain collections of photos taken around San Diego County:

Flickr.com

Panoramio.com

Looking for more websites and/or information centered on San Diego? Please visit the Map Page for San Diego.

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. For more information, please visit the U.S. Census Bureau. - Return to Citation
<2>	A Housing Unit is a broad term for those places where people live, whether occupied or temporarily vacant, such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway). - Return to Citation
<3>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of San Diego. The value given by the Census Bureau reflects their statistical (or sampling) requirements. - Return to Citation
<4>	All Quarter-dollar coin images from the United States Mint. - Return to Citation

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Last Modified: 09 Sep 2009