Green Valley, Arizona
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Green Valley is an
unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...
and
census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...
(CDP) in
Pima County Pima County ( ) is a County (United States), county in the south central region of the U.S. state of Arizona, one of 15 List of counties in Arizona, counties in the state. As of the 2020 United States census, 2020 census, the population was 1 ...
,
Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...
, United States. The population was 22,616 at the 2020 census.


Geography

Green Valley is located along the western side of the Santa Cruz River at (31.8556, -111.0001).
Continental Continental may refer to: Places * Continental, Arizona, a small community in Pima County, Arizona, US * Continental, Ohio, a small town in Putnam County, US Arts and entertainment * ''Continental'' (album), an album by Saint Etienne * Continen ...
is to the east of Green Valley, on the other side of the river. According to the
United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...
, the CDP has a total area of , of which is land and (0.08%) is water. Green Valley is south of
Tucson Tucson (; ; ) is a city in Pima County, Arizona, United States, and its county seat. It is the second-most populous city in Arizona, behind Phoenix, Arizona, Phoenix, with a population of 542,630 in the 2020 United States census. The Tucson ...
and north of Nogales,
Sonora Sonora (), officially Estado Libre y Soberano de Sonora (), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is divided into Municipalities of Sonora, 72 ...
, Mexico. Surrounded by copper mines, and near the cycling, hiking and birding areas of the Santa Rita Mountains, Green Valley is an unincorporated
retirement community A retirement community is a residential community or housing complex designed for older adults who are generally able to care for themselves. Assistance from home care agencies is allowed in some communities, and activities and socialization op ...
composed of 59 Homeowner Associations. The largest of the mines are the Sierrita Mine owned by Freeport-McMoRan and the Mission Mine of ASARCO. Compared to other mines in Arizona the two mines are large; Sierrita is low-grade.


Climate

Green Valley has a borderline hot semi-arid/
hot desert climate The desert climate or arid climate (in the Köppen climate classification ''BWh'' and ''BWk'') is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in desert ...
(Köppen ''BSh''/''BWh'') with three seasons: a warm to mild winter with chilly nights from October through March; a hot, extremely dry summer season from April to late June; and a hot, relatively humid
monsoon A monsoon () is traditionally a seasonal reversing wind accompanied by corresponding changes in precipitation but is now used to describe seasonal changes in Atmosphere of Earth, atmospheric circulation and precipitation associated with annu ...
season from July through September. Outside monsoon season, rainfall is uniformly scarce, having exceeded only in October 2000 amongst other months. The wettest month on record has been July 1990 with , of which fell on July 15. The wettest calendar year has been 1993 with while the driest since 1988 has been 1997 with . Temperatures are uniformly hot during the summer and monsoon seasons, with exceeded on 154 days during an average year, and 77 nights failing to fall below , including every night during August 2011. Frosts occur 37 nights per winter on average, and daytime highs fail to top on nine days.


Demographics


2010 census

As of the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 2010, there were 21,391 people residing in Green Valley. The
population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...
was 663.4 people per square mile. There were 17,322 housing units. The racial makeup of the CDP was 93.4%
non-Hispanic White Non-Hispanic Whites, also referred to as White Anglo Americans or Non-Latino Whites, are White Americans who are classified by the United States census as "White" and not of Hispanic or Latino origin. According to annual estimates from the Unit ...
, 0.4% Black or African American, 0.3% Native American, 0.7% Asian, 0.4% from other races, and 0.7% from two or more races. 4.9% of the population were Hispanic or Latino of any race. The median income for a household in Green Valley was $46,732 in 2014 dollars. The
per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...
for the CDP was $35,416. 4.6% of the population was below the
poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...
.


2000 census

As of the
census A census (from Latin ''censere'', 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given Statistical population, population, usually displayed in the form of stati ...
of 2000, there were 17,283 people, 9,995 households, and 6,296 families residing in the CDP. The population density was . There were 13,263 housing units at an average density of . The racial makeup of the CDP was 98.4%
White White is the lightest color and is achromatic (having no chroma). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully (or almost fully) reflect and scatter all the visible wa ...
, 0.2%
Black Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness.Eva Heller, ''P ...
or
African American African Americans, also known as Black Americans and formerly also called Afro-Americans, are an Race and ethnicity in the United States, American racial and ethnic group that consists of Americans who have total or partial ancestry from an ...
, 0.2% Native American, 0.3% Asian, 0.1%
Pacific Islander Pacific Islanders, Pasifika, Pasefika, Pacificans, or rarely Pacificers are the peoples of the list of islands in the Pacific Ocean, Pacific Islands. As an ethnic group, ethnic/race (human categorization), racial term, it is used to describe th ...
, 0.4% from other races, and 0.5% from two or more races. 2.3% of the population were
Hispanic The term Hispanic () are people, Spanish culture, cultures, or countries related to Spain, the Spanish language, or broadly. In some contexts, Hispanic and Latino Americans, especially within the United States, "Hispanic" is used as an Ethnici ...
or Latino of any race. There were 9,995 households, out of which 1.5% had children under the age of 18 living with them, 59.8% were
married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognised union between people called spouses. It establishes rights and obligations between them, as well as between them and their children (if any), and b ...
living together, 2.5% had a female householder with no husband present, and 37.0% were non-families. 34.1% of all households were made up of individuals, and 28.5% had someone living alone who was 65 years of age or older. The average household size was 1.71 and the average family size was 2.07. In the CDP, the population consisted of 1.6% of inhabitants under the age of 18, 0.7% from 18 to 24, 2.8% from 25 to 44, 21.7% from 45 to 64, and 73.3% who were 65 years of age or older. The median age was 72 years. For every 100 females, there were 79.7 males. For every 100 females age 18 and over, there were 79.3 males. The median income for a household in the CDP was $40,213, and the median income for a family was $48,369. Males had a median income of $34,500 versus $25,932 for females. The
per capita income Per capita income (PCI) or average income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. In many countries, per capita income is determined using regular population surveys, such ...
for the CDP was $31,138. About 1.7% of families and 3.0% of the population were below the
poverty line The poverty threshold, poverty limit, poverty line, or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...
, including 3.1% of those under age 18 and 2.8% of those age 65 or over.


Government

As an unincorporated community, most government services are provided by Pima County. The Green Valley Council, a
community association A community association is a nongovernmental association of participating members of a community, such as a neighborhood, village, condominium, cooperative, or group of homeowners or property owners in a delineated geographic area. Participatio ...
, represents Green Valley to the county government. A second community association, Green Valley Recreation, provides recreation services to Green Valley. Green Valley Fire District provides fire and emergency services to Green Valley.


Economy

Freeport McMoRan's Sierrita mine is located in Green Valley and is one of the town's largest employers and is involved in investing in the community.


Transportation

Green Valley is served by Sun Shuttle service to Tucson.


Water sustainability

According to a 2007 report by Pima County, of water was pumped from the aquifer in the Upper Santa Cruz Valley in 2006, with 85 percent of that water being used for mining and agriculture. The remaining 15 percent was split between water used for golf courses and residential/commercial water use. The report explains that "The Green Valley area does not have a sustainable water supply given current groundwater pumping rates... the water table in Green Valley has been declining in past years, and is expected to decline even faster as water demands ontinue to increase..". The report concludes that "Water supplies will become critical within the next ten years." The original 2007 report from Pima County contained a number of recommendations. Four out of five of the recommendations suggested taking advantage the "Central Arizona Project (CAP) renewable water supplies, as well as recharge of the same". The report states, "the size of a pipeline that would convey Central Arizona Project water for direct use or recharge for the entire Upper Basin would need to be at least 72 inches in diameter." As of 2017 one 36" CAP pipeline has been completed with a second 36" CAP pipeline slated for completion in the later part of 2017. (Note, however, that two 36-inch pipes provide only one half the capacity of a single 72-inch pipe, because capacity scales with cross-sectional area, not with diameter.) The Upper Santa Cruz Valley has several major water users, all pumping water out of the same aquifer. Most area water users are for-profit companies. ASARCO-Mission Mine, Freeport-McMoRan Sierrita Mine and Farmers Investment Co. (farming) are industrial scale water users. Residential water is provided by Farmers Water Company, Sahuarita Water Company, Las Quintas Serenas Water Company, Quail Creek Water Company, Community Water Company of Green Valley (a nonprofit member owned cooperative), and the Green Valley Water District (a governmental water utility). The proliferation of water companies can be partially explained by the fact that Arizona water law places few limits on the amount of water that can be pumped with costs limited only to drilling, pumping, distribution, etc. Since 2007 the Upper Santa Cruz Providers and Users Group (USCPUG) has been working to bring all local water entities, including the Town of Sahuarita, to the same table. Most of the water users and utilities are now members of USCPUG. The organization has published an analysis and projection of area water use through 2030. It has joined with the U S Bureau of Reclamation to lay the groundwork for transportation and use of Colorado River water from the Central Arizona Project canal to greatly reduce reliance on pumping groundwater. If a system is successfully completed, the excess pumping will be largely or fully eliminated. The process through design and construction is expected to take several years with funding being the major challenge.


Attractions

In 2005 Green Valley was the host of the SAE Mini Baja 100 competition. Mini Baja vehicles are custom made by students. In this case there were about 60 teams from various universities, including some from Canada. ETS –
École de technologie supérieure École de technologie supérieure (, ''Higher Technology School'', ÉTS), founded in 1974, is a public university, public research university in Montreal, Montreal, Quebec, Canada and affiliated to the Université du Québec system. The school s ...
of the
Université du Québec The Université du Québec () is a system of ten provincially-run public universities in Quebec, Canada. Its headquarters are in Quebec City. The university coordinates 1400 programs for over 100,000 students. The government of Quebec founded ...
, from
Montreal, Quebec Montreal is the List of towns in Quebec, largest city in the Provinces and territories of Canada, province of Quebec, the List of the largest municipalities in Canada by population, second-largest in Canada, and the List of North American cit ...
, Canada, won the competition. Green Valley is home to the Titan Missile Museum, America's largest nuclear weapons museum.


Education

The CDP is in the Continental Elementary School District.


References


External links


Green Valley Sahuarita Chamber of Commerce and Visitor CenterUpper Santa Cruz Providers and Users Group
{{Authority control Census-designated places in Pima County, Arizona Census-designated places in Arizona Retirement communities in the United States Populated places in the Sonoran Desert