Greenlee County, Arizona

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Greenlee County, Arizona
Seal of Greenlee County, Arizona
Map of Arizona highlighting Greenlee County
Location in the state of Arizona
Map of the United States highlighting Arizona
Arizona's location in the U.S.
Founded March 10, 1909
Seat Clifton
Largest town Clifton
 • Total 1,848 sq mi (4,786 km2)
 • Land 1,843 sq mi (4,773 km2)
 • Water 5.3 sq mi (14 km2), 0.3%
Population (est.)
 • (2014) 9,346
 • Density 5.1/sq mi (2/km²)
Congressional district 1st
Time zone Mountain: UTC-7
1901 Clifton railroad station, now used by the Chamber of Commerce and other community organizations.
Azurite specimen from the great Morenci Mine.

Greenlee County is a county located in the southeastern part of the U.S. state of Arizona. As of the 2010 census its population was 8,437,[1] making it the least populous county in Arizona. The county seat is Clifton.

The economy of Greenlee County is dominated by the Morenci Mine, the largest copper mining operation in North America, and one of the largest copper mines in the world. As of 2008, the mine complex, owned by Freeport-McMoRan, had about 4,000 employees.


Greenlee County was created in 1909 and named for Mason Greenlee who was an early settler in the Clifton area. It was Arizona's 14th county and formed from part of Graham County, which opposed the formation because Graham County would lose considerable revenue. Clifton has always been the county seat.


According to the U.S. Census Bureau, the county has a total area of 1,848 square miles (4,790 km2), of which 1,843 square miles (4,770 km2) is land and 5.3 square miles (14 km2) (0.3%) is water.[2] It is the second-smallest county by area in Arizona.

Adjacent counties[edit]

National protected areas[edit]

Major Highways[edit]


Historical population
Census Pop.
1920 15,362
1930 9,886 −35.6%
1940 8,698 −12.0%
1950 12,805 47.2%
1960 11,509 −10.1%
1970 10,330 −10.2%
1980 11,406 10.4%
1990 8,008 −29.8%
2000 8,547 6.7%
2010 8,437 −1.3%
Est. 2014 9,346 [3] 10.8%
U.S. Decennial Census[4]
1790–1960[5] 1900–1990[6]
1990–2000[7] 2010–2014[1]


Whereas according to the 2010 U.S. Census Bureau:


As of the census[8] of 2000, there were 8,547 people, 3,117 households, and 2,266 families residing in the county. The population density was 5 people per square mile (2/km²). There were 3,744 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 74.17% White, 0.51% Black or African American, 1.66% Native American, 0.15% Asian, 0.04% Pacific Islander, 20.02% from other races, and 3.45% from two or more races. 43.07% of the population were Hispanic or Latino of any race. 25.19% reported speaking Spanish at home [1].

There were 3,117 households out of which 39.20% had children under the age of 18 living with them, 58.30% were married couples living together, 9.00% had a female householder with no husband present, and 27.30% were non-families. 24.50% of all households were made up of individuals and 7.30% had someone living alone who was 65 years of age or older. The average household size was 2.73 and the average family size was 3.26.

In the county the population was spread out with 31.70% under the age of 18, 7.50% from 18 to 24, 28.20% from 25 to 44, 22.60% from 45 to 64, and 9.90% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 109.20 males. For every 100 females age 18 and over, there were 108.00 males.

The median income for a household in the county was $39,384, and the median income for a family was $43,523. Males had a median income of $38,952 versus $23,333 for females. The per capita income for the county was $15,814. About 8.00% of families and 9.90% of the population were below the poverty line, including 11.10% of those under age 18 and 8.70% of those age 65 or over.


Greenlee County used to be the most reliably Democratic county in Arizona. It voted for the Democratic presidential candidate in every election from 1912 to 1996. However, it has supported the Republican candidate in each of the four most recent presidential elections.

The county is located in Arizona's 1st congressional district, which has a Cook Partisan Voting Index of R+3 and is represented by Democratic Congresswoman Ann Kirkpatrick. In the Arizona House of Representatives it is represented by Republican Chester Crandall and Republican Brenda Barton.[9] In the Arizona Senate it is represented by Republican Sylvia Allen.[10]


Map of incorporated and unincorporated areas in Greenlee County.


Census-designated place[edit]

Other communities[edit]

County population ranking[edit]

The population ranking of the following table is based on the 2010 census of Greenlee County.[11][12]

county seat

Rank City/Town/etc. Population (2010 Census) Municipal type Incorporated
1 Clifton 3,311 Town
2 Morenci 1,489 CDP
3 Duncan 696 Town 1938
4 York 557 CDP
5 Franklin 92 CDP

See also[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved May 18, 2014. 
  2. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 23, 2012. Retrieved August 23, 2015. 
  3. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  4. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved May 18, 2014. 
  5. ^ "Historical Census Browser". University of Virginia Library. Retrieved May 18, 2014. 
  6. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved May 18, 2014. 
  7. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved May 18, 2014. 
  8. ^ "American FactFinder". United States Census Bureau. Retrieved 2011-05-14. 
  9. ^ Member Roster at Arizona Legislature
  10. ^ Member Roster for Arizona Senate
  11. ^
  12. ^

External links[edit]

Coordinates: 33°06′06″N 109°16′07″W / 33.10167°N 109.26861°W / 33.10167; -109.26861