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Time Zone: San Juan County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Aztec is the Seat for San Juan County.

San Juan County was founded in 1887 and was created by taking area from Rio ArribaCounty.

From the Census Estimates for 2009, <1> San Juan had a population of 124,131 people. This is an increase of 9.08% since the last Census (which gave a population of 113,801 people in 2000).

At the time of the 2000 Census, San Juan represented 6.26% of the total population of New Mexico, making it the state's 4th most populous county (out of 33 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
2010130,044+14.27%+4.76% since 2009
2009124,131+9.08%+1.41% since 2008
2008122,407+7.56%+0.1% since 2007
2000113,801The Last Census

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


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

Community 2009
(2009vs. 2000)
Farmington   43,41237,84414.71% increase  
Bloomfield   7,2996,41713.74% increase  
Aztec   6,9856,3789.52% increase  

Websites for San Juan County

Official Website:   www.co.san-juan.nm.us/

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

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

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