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The Commemorative
Quarter for
The Commemorative Quarter for Delaware

Time Zone: New Castle County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Wilmington is the Seat for New Castle County.

New Castle County was founded in 1664.

From the Census Estimates for 2009, <1> New Castle had a population of 534,634 people. This is an increase of 6.87% since the last Census (which gave a population of 500,265 people in 2000).

At the time of the 2000 Census, New Castle represented 63.84% of the total population of Delaware, making it the state's most populous county (out of 3 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
2010538,479+7.64%+0.72% since 2009
2009534,634+6.87%+0.67% since 2008
2008531,057+6.16%+0.62% since 2007
2000500,265The Last Census

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


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

Community 2009
(2009vs. 2000)
Wilmington   73,06972,6640.56% increase  
Newark   30,37128,5476.39% increase  
Middletown   12,7266,161106.6% increase  
Elsmere   5,7215,8001.36% decrease  
New Castle   5,0334,8623.52% increase  

Websites for New Castle County

Official Website:   www.co.new-castle.de.us/

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