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The 2000 Census showed that Natrona County had a population of 66,533 people. This represented 13.47% of the total population of Wyoming, making it the state's 2nd most populous county (out of 23 counties).

From the Census Estimates for 2009<1>, Natrona had a population of 74,508 people. This is an increase of 11.99% 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
201075,450+13.4%+1.26% since 2009
200974,508+11.99%+1.99% since 2008
200873,057+9.81%+1.73% since 2007
200771,817+7.94%+2.22% since 2006
200670,259+5.6%+1.18% since 2005
200569,442+4.37%+1.14% since 2004
200468,659+3.2%+1.03% since 2003
200367,957+2.14%+0.87% since 2002
200267,371+1.26%+0.74% since 2001
200166,873+0.51%+0.51% since 2000
200066,533The Last Census

Natrona County had 29,882 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Natrona County has a total area<3> of 5,375 square miles [13,923 km²]. Of this total, only a minor amount of that area is covered by water (35.83 square miles [92.8 km²]).

Using the above population and land area values, Natrona County had a population density of 12.46 people per square mile [4.81 people/km²], making it the state's 2nd most densely populated county (out of 23 counties).

US Census QuickFacts

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

Click here for the Natrona County QuickFact (QF-56025).

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

(2009 Est)
(2000 Census)
Change in

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

(2009 Est.)
(2000 Census)
Change in
CarbonQF-56007   S15,72015,6390.52%
ConverseQF-56009   E13,57812,05212.66%
FremontQF-56013   W38,71935,8048.14%
JohnsonQF-56019   N8,5317,07520.58%
WashakieQF-56043   NW7,9118,289-4.56%

Other Roadside Stops ...

About Wyoming

The Communities of Wyoming

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Natrona 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 Natrona. 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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