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The Commemorative Quarter for New York

The 2000 Census showed that Saint Lawrence County had a population of 111,931 people. This represented 0.59% of the total population of New York, making it the state's 25th most populous county (out of 62 counties).

From the Census Estimates for 2009<1>, Saint Lawrence had a population of 109,715 people. This is a decrease of 1.98% 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
2009109,715-1.98%+0.15% since 2008
2007109,594-2.09%-0.16% since 2006
2006109,769-1.93%-0.28% since 2005
2005110,072-1.66%-0.14% since 2004
2004110,224-1.53%-0.14% since 2003
2003110,381-1.38%-0.28% since 2002
2002110,686-1.11%-0.46% since 2001
2001111,202-0.65%-0.65% since 2000
2000111,931The Last Census

Saint Lawrence County had 49,721 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Saint Lawrence County has a total area<3> of 2,821 square miles [7,307 km²]. Of this total, 2,685 square miles [6,955 km²] of the area is land, with the balance (4.82%) being water (135.9 square miles [351.9 km²]).

Using the above population and land area values, Saint Lawrence County had a population density of 41.68 people per square mile [16.09 people/km²], making it the state's 57th most densely populated county (out of 62 counties).

US Census QuickFacts

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

Click here for the Saint Lawrence County QuickFact (QF-36089).

Below are some of the communities that are located in Saint Lawrence County:

(2009 Est)
(2000 Census)
Change in

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

(2009 Est.)
(2000 Census)
Change in
FranklinQF-36033   E50,27451,134-1.68%
HamiltonQF-36041   SE4,9235,379-8.48%
HerkimerQF-36043   S62,23664,427-3.4%
JeffersonQF-36045   SW118,719111,7386.25%
LewisQF-36049   S26,15726,944-2.92%

The Canadian Province of Ontario lies to the northwest, with the Saint Lawerance River as the boundary.

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U.S. Census Bureau
Census QuickFact for Saint Lawrence 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 Saint Lawrence. 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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