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The Commemorative
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The Commemorative Quarter for Pennsylvania

The 2000 Census showed that Lancaster County had a population of 470,658 people. This represented 3.83% of the total population of Pennsylvania, making it the state's 6th most populous county (out of 67 counties).

From the Census Estimates for 2009<1>, Lancaster had a population of 507,766 people. This is an increase of 7.88% 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.

YearPopulationChange
Since 2000
Year-to-Year Change
2010519,445+10.37%+2.3% since 2009
2009507,766+7.88%+0.79% since 2008
2008503,807+7.04%+0.89% since 2007
2007499,364+6.1%+1.01% since 2006
2006494,393+5.04%+1.05% since 2005
2005489,258+3.95%+0.74% since 2004
2004485,676+3.19%+0.8% since 2003
2003481,803+2.37%+0.78% since 2002
2002478,078+1.58%+0.77% since 2001
2001474,420+0.8%+0.8% since 2000
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2000470,658The Last Census

Lancaster County had 179,990 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Lancaster County has a total area<3> of 983 square miles [2,548 km²]. Of this total, 949 square miles [2,458 km²] of the area is land, with the balance (3.53%) being water (34.75 square miles [90 km²]).

Using the above population and land area values, Lancaster County had a population density of 495.9 people per square mile [191.5 people/km²], making it the state's 9th most densely populated county (out of 67 counties).

US Census QuickFacts

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

Click here for the Lancaster County QuickFact (QF-42071).

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

CommunityCensus
QuickFact
Population
(2009 Est)
Population
(2000 Census)
Change in
  Population
LancasterQF-424121655,43956,348-1.61%
EphrataQF-422383213,18213,213-0.23%
ElizabethtownQF-422301612,10311,8871.82%
ColumbiaQF-421538410,08910,311-2.15%
LititzQF-42438169,0599,0290.33%
MillersvilleQF-42497287,3537,774-5.42%
Mount JoyQF-42516567,3316,7658.37%
New HollandQF-42536965,1885,0921.89%

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

CountyCensus
QuickFact
DirectionPopulation
(2009 Est.)
Population
(2000 Census)
Change in
Population
Cecil (MD)QF-24015   SE100,79685,95117.27%
Harford (MD)QF-24025   S242,514218,59010.94%
BerksQF-42011   NE407,125373,6388.96%
ChesterQF-42029   E498,894433,50115.08%
DauphinQF-42043   NW258,934251,7982.83%
LebanonQF-42075   NW130,506120,3278.46%
YorkQF-42133   W428,937381,75112.36%

Other Roadside Stops ...

About Pennsylvania

Communities in Pennsylvania

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Lancaster 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 Lancaster. 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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