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The 2000 Census showed that Summit County had a population of 29,736 people. This represented 1.33% of the total population of Utah, making it the state's 10th most populous county (out of 29 counties).

From the Census Estimates for 2009<1>, Summit had a population of 36,969 people. This is an increase of 24.32% 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
201036,324+22.15%-1.74% since 2009
200936,969+24.32%+2.1% since 2008
200836,208+21.76%+2.14% since 2007
200735,449+19.21%+1.55% since 2006
200634,908+17.39%+0.64% since 2005
200534,686+16.65%+2.91% since 2004
200433,705+13.35%+3.18% since 2003
200332,666+9.85%+2.84% since 2002
200231,763+6.82%+2.7% since 2001
200130,929+4.01%+4.01% since 2000
200029,736The Last Census

Summit County had 17,489 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Summit County has a total area<3> of 1,882 square miles [4,874 km²]. Of this total, only a minor amount of that area is covered by water (11 square miles [28.49 km²]).

Using the above population and land area values, Summit County had a population density of 15.89 people per square mile [6.14 people/km²], making it the state's 7th most densely populated county (out of 29 counties).

US Census QuickFacts

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

Click here for the Summit County QuickFact (QF-49043).

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

(2009 Est)
(2000 Census)
Change in
Park CityQF-49580708,1277,37110.26%

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

(2009 Est.)
(2000 Census)
Change in
DaggettQF-49009   E9419212.17%
DuchesneQF-49013   SE17,94814,37124.89%
MorganQF-49029   NW8,9087,12924.95%
RichQF-49033   N2,1601,96110.15%
Salt LakeQF-49035   W1,034,989898,38715.21%
WasatchQF-49051   S21,60015,21541.97%
Sweetwater (WY)QF-56037   NE41,22637,6139.61%
Uinta (WY)QF-56041   NE20,92719,7426%

Other Roadside Stops ...

About Utah

The Communities of Utah

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Summit 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 Summit. 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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