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The Commemorative
Quarter for
The Commemorative Quarter for Delaware

The 2000 Census showed that Sussex County had a population of 156,638 people. This represented 19.99% of the total population of Delaware, making it the state's 2nd most populous county (out of 3 counties).

From the Census Estimates for 2009<1>, Sussex had a population of 192,747 people. This is an increase of 23.05% since the 2000 Census.

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
2010197,145+25.86%+2.28% since 2009
2009192,747+23.05%+1.63% since 2008
2008189,662+21.08%+2.51% since 2007
2007185,020+18.12%+2.5% since 2006
2006180,508+15.24%+2.74% since 2005
2005175,694+12.17%+2.52% since 2004
2004171,370+9.41%+2.15% since 2003
2003167,764+7.1%+2.47% since 2002
2002163,717+4.52%+2.17% since 2001
2001160,235+2.3%+2.3% since 2000
2000156,638The Last Census

Sussex County had 93,070 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Sussex County has a total area<3> of 1,195 square miles [3,096 km²]. Of this total, 937 square miles [2,428 km²] of the area is land, with the balance (21.58%) being water (258.1 square miles [668 km²]).

Using the above population and land area values, Sussex County had a population density of 167.1 people per square mile [64.5 people/km²], making it the state's 3rd most densely populated county (out of 3 counties).

US Census QuickFacts

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

Click here for the Sussex County QuickFact (QF-10005).

Below are some of the communities that are located in Sussex County:

(2009 Est)
(2000 Census)
Change in

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

(2009 Est.)
(2000 Census)
Change in
KentQF-10001   N157,741126,69724.5%
Caroline (MD)QF-24011   NW33,36729,77212.08%
Dorchester (MD)QF-24019   W32,04330,6744.46%
Wicomico (MD)QF-24045   SW94,22284,64411.32%
Worcester (MD)QF-24047   S49,12246,5435.54%
Cape May (NJ)QF-34009   NE96,091102,326-6.09%

Delaware Bay and the Atlantic Ocean lies to the east.

Other Roadside Stops ...

About Delaware

Communities in Delaware

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Sussex County

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>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).

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<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Sussex. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

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<4>All Quarter-dollar coin images from the United States Mint.

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