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Time Zone: Collin County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of McKinney is the Seat for Collin County.

Collin County was founded in 1846 and was created by taking area from FanninCounty.

From the Census Estimates for 2009, <1> Collin had a population of 791,631 people. This is an increase of 61.01% since the last Census (which gave a population of 491,675 people in 2000).

At the time of the 2000 Census, Collin represented 2.36% of the total population of Texas, making it the state's 8th most populous county (out of 254 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
2010782,341+59.12%-1.17% since 2009
2009791,631+61.01%+3.69% since 2008
2008763,438+55.27%+4.15% since 2007
2000491,675The Last Census

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


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

Community 2009
(2009vs. 2000)
Dallas   1,299,5421,188,5809.34% increase  
Plano   273,613222,03023.23% increase  
Carrollton   129,209109,57617.92% increase  
McKinney   127,67254,369134.8% increase  
Richardson   103,20191,80212.42% increase  

Websites for Collin County

Official Website:   www.co.collin.tx.us/

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