Learn About
The Commemorative
Quarter for
New Mexico
The Commemorative Quarter for New Mexico

The 2000 Census showed that Sierra County had a population of 13,270 people. This represented 0.73% of the total population of New Mexico, making it the state's 25th most populous county (out of 33 counties).

From the Census Estimates for 2009<1>, Sierra had a population of 12,886 people. This is a decrease of 2.89% 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
201011,988-9.66%-6.97% since 2009
200912,886-2.89%+1.44% since 2008
200812,703-4.27%+1.8% since 2007
200712,478-5.97%-0.65% since 2006
200612,560-5.35%-0.29% since 2005
200512,596-5.08%-1.45% since 2004
200412,781-3.69%-1.83% since 2003
200313,019-1.89%+0.95% since 2002
200212,896-2.82%-1.5% since 2001
200113,092-1.34%-1.34% since 2000
200013,270The Last Census

Sierra County had 8,727 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Sierra County has a total area<3> of 4,236 square miles [10,971 km²]. Of this total, 4,180 square miles [10,826 km²] of the area is land, with the balance (1.32%) being water (56.1 square miles [145.2 km²]).

Using the above population and land area values, Sierra County had a population density of 3.17 people per square mile [1.23 people/km²], making it the state's 23rd most densely populated county (out of 33 counties).

US Census QuickFacts

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

Click here for the Sierra County QuickFact (QF-35051).

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

(2009 Est)
(2000 Census)
Change in
Truth or ConsequencesQF-35798407,1117,289-2.44%

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

(2009 Est.)
(2000 Census)
Change in
CatronQF-35003   NW3,4433,543-2.82%
Dona AnaQF-35013   SE206,419174,68218.17%
GrantQF-35017   SW29,90331,002-3.54%
LincolnQF-35027   E21,01619,4118.27%
LunaQF-35029   S27,04425,0168.11%
OteroQF-35035   E63,20162,2981.45%
SocorroQF-35053   N18,09218,078---

Other Roadside Stops ...

About New Mexico

Cities, Towns and Villages of New Mexico

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Sierra 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.

- Return to Citation

<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).

- Return to Citation

<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Sierra. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

- Return to Citation

<4>All Quarter-dollar coin images from the United States Mint.

- Return to Citation