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The Commemorative
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The Commemorative Quarter for New Hampshire

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

The community of Lancaster is the Seat for Coos County.

Coos County was founded in 1803 and was created by taking area from GraftonCounty.

From the Census Estimates for 2009, <1> Coos had a population of 31,487 people. This is a decrease of 4.9% since the last Census (which gave a population of 33,111 people in 2000).

At the time of the 2000 Census, Coos represented 2.68% of the total population of New Hampshire, making it the state's 10th most populous county (out of 10 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
201033,055-0.17%+4.98% since 2009
200931,487-4.9%-1.35% since 2008
200831,917-3.61%-1.24% since 2007
200033,111The Last Census

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


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

Community 2009
(2009vs. 2000)
Berlin   9,36310,3319.37% decrease  
Lancaster   3,1993,2802.47% decrease  
Gorham   2,7662,8954.46% decrease  
Colebrook   2,3122,3210.39% decrease  
Northumberland   2,2862,4386.23% decrease  

Other Roadside Stops ...

About New Hampshire

Index of Cities, Towns and Villages for New Hampshire

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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