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Time Zone: Miami-Dade County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Miami is the Seat for Miami-Dade County.

Miami-Dade County was founded January 18, 1836. Miami-Dade was created by taking area from Monroe and Counties.

From the Census Estimates for 2009, <1> Miami-Dade had a population of 2,500,625 people. This is an increase of 10.97% since the last Census (which gave a population of 2,253,362 people in 2000).

At the time of the 2000 Census, Miami-Dade represented 14.1% of the total population of Florida, making it the state's most populous county (out of 67 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
20102,496,435+10.79%-0.17% since 2009
20092,500,625+10.97%+0.88% since 2008
20082,478,745+10%+1.03% since 2007
20002,253,362The Last Census

More information can be found on the Miami-Dade County Census Page for Miami-Dade County.


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

Community 2009
(2009vs. 2000)
Miami   433,136362,47019.5% increase  
Hialeah   218,896226,4193.32% decrease  
Miami Beach   88,06587,9330.15% increase  
Homestead   59,81231,90987.4% increase  
North Miami   58,01859,8803.11% decrease  

Websites for Miami-Dade County

Official Website:   www.miamidade.gov/

If you know of a history or genealogy society whose interest includes Miami-Dade 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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