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The Commemorative
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The Commemorative Quarter for Kansas

The 2000 Census showed that Trego County had a population of 3,319 people. This represented 0.12% of the total population of Kansas, making it the state's 87th most populous county (out of 105 counties).

From the Census Estimates for 2009<1>, Trego had a population of 2,920 people. This is a decrease of 12.02% 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
20103,001-9.58%+2.77% since 2009
20082,922-11.96%-0.68% since 2007
20072,942-11.36%-0.64% since 2006
20062,961-10.79%-1.33% since 2005
20053,001-9.58%-3.26% since 2004
20043,102-6.54%+0.49% since 2003
20033,087-6.99%-1.56% since 2002
20023,136-5.51%-2.88% since 2001
20013,229-2.71%-2.71% since 2000
20003,319The Last Census

Trego County had 1,723 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Trego County has a total area<3> of 899 square miles [2,328 km²]. Of this total, 888 square miles [2,300 km²] of the area is land, with the balance (1.19%) being water (10.73 square miles [27.79 km²]).

Using the above population and land area values, Trego County had a population density of 3.74 people per square mile [1.44 people/km²], making it the state's 88th most densely populated county (out of 105 counties).

US Census QuickFacts

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

Click here for the Trego County QuickFact (QF-20195).

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

(2009 Est.)
(2000 Census)
Change in
EllisQF-20051   E27,73927,5070.84%
GoveQF-20063   W2,4803,068-19.17%
GrahamQF-20065   N2,4352,946-17.35%
NessQF-20135   S2,8353,454-17.92%
RooksQF-20163   NE4,9845,685-12.33%
RushQF-20165   SE3,1433,551-11.49%
SheridanQF-20179   NW2,4352,813-13.44%

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U.S. Census Bureau
Census QuickFact for Trego 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 Trego. 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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