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Harmon County, Oklahoma
Map of Oklahoma highlighting Harmon County
Location in the state of Oklahoma
Map of the U.S. highlighting Oklahoma
Oklahoma's location in the U.S.
Founded 1909
Seat Hollis
Largest city Hollis
 - Total
 - Land
 - Water

539 sq mi (1,395 km²)
538 sq mi (1,393 km²)
1.5 sq mi (4 km²), 0.3%
 - (2013)
 - Density

5.4/sq mi (2.1/km²)
Congressional district 3rd
Time zone Central: UTC-6/-5

Harmon County is a county located in the southwest corner of the U.S. state of Oklahoma. As of the 2010 census, the population was 2,922,[1] making it the second least populous county in Oklahoma, behind only Cimarron County. It has lost population in every census since 1910. The county seat is Hollis.[2]


Following an election on May 22, 1909, Harmon County was created by proclamation of Governor Lee Cruce on June 2. Carved from adjacent Greer County, the new county was named in honor of Judson Harmon, who was Governor of Ohio at the time.[3] The area now covered by Harmon County had been a part of Texas until the U. S. Supreme Court awarded it to Oklahoma Territory in 1896.[4]

Another election held September 1, 1909, confirmed Hollis as the county seat. There were two other contestants: the towns of Harmon and Rosser. County offices operated in rented space until a courthouse was built in Hollis in 1926. In 1930, the U.S. Supreme Court ruled that the boundary between Texas and Oklahoma was actually 3,800 feet (1,200 m) farther east than originally believed. It returned the disputed land to Texas, reducing the county's area to its present size.[4]

A railroad built from Altus, Oklahoma to the Texas state line came to Hollis and Gould in 1910. The line was built by the Altus, Wichita Falls and Hollis Railway (later acquired by the Missouri, Kansas and Texas Railroad).[4]


According to the U.S. Census Bureau, the county has a total area of 539 square miles (1,396.0 km2), of which 538 square miles (1,393.4 km2) is land and 1.5 square miles (3.9 km2) (0.3%) is water.[5] It lies in the Gypsum Hills physiographic region, and is drained by the Red River and its tributaries, the Salt and Elm forks of the Red River and Lebos and Turkey creeks.[4]

Major highways[]

  • US 62.svg U.S. Highway 62
  • Oklahoma State Highway 5.svg State Highway 5
  • Oklahoma State Highway 9.svg State Highway 9
  • Oklahoma State Highway 30.svg State Highway 30

Adjacent counties[]


Historical populations
Census Pop.
1910 11,328
1920 11,261 −0.6%
1930 13,834 22.8%
1940 10,019 −27.6%
1950 8,079 −19.4%
1960 5,853 −27.6%
1970 5,136 −12.3%
1980 4,519 −12.0%
1990 3,793 −16.1%
2000 3,283 −13.4%
2010 2,922 −11.0%
Est. 2013 2,869 −12.6%
U.S. Decennial Census[6]
2013 Estimate[1]

Common to many rural counties in the Great Plains the population of Harmon county has declined steadily since 1930.

As of the census[7] of 2000, there were 3,283 people, 1,266 households, and 863 families residing in the county. The population density was 6 people per square mile (2/km²). There were 1,647 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 72.65% White, 9.78% Black or African American, 1.13% Native American, 0.18% Asian, 0.03% Pacific Islander, 14.32% from other races, and 1.92% from two or more races. 22.78% of the population were Hispanic or Latino of any race.

There were 1,266 households out of which 30.20% had children under the age of 18 living with them, 55.70% were married couples living together, 9.20% had a female householder with no husband present, and 31.80% were non-families. 29.00% of all households were made up of individuals and 17.50% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.03.

In the county, the population was spread out with 25.90% under the age of 18, 7.90% from 18 to 24, 24.10% from 25 to 44, 21.10% from 45 to 64, and 21.00% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 94.10 males. For every 100 females age 18 and over, there were 89.80 males.

The median income for a household in the county was $22,365, and the median income for a family was $29,063. Males had a median income of $21,530 versus $16,658 for females. The per capita income for the county was $13,464. About 23.50% of families and 29.70% of the population were below the poverty line, including 38.20% of those under age 18 and 19.90% of those age 65 or over.

Voter Registration and Party Enrollment as of January 15, 2012[8]
Party Number of Voters Percentage
  Democratic 1,231 82.12%
  Republican 191 12.74%
  Unaffiliated 77 5.14%
Total 1,499 100%


Agriculture has been the main component of the county economy. Cotton, wheat and sorghum have been the principal crops. By 1930, farmers had sizable holdings of cattle, poultry, horses, mules, swine, sheep and goats.[4]


Presidential election results[9]
Year Republican Democrat
2008 69.45% 757 30.55% 333
2004 70.30% 838 29.70% 354
2000 57.43% 692 42.07% 507


  • Hollis 2,063
  • Gould 140
  • Vinson (unincorporated)

See also[]

  • National Register of Historic Places listings in Harmon County, Oklahoma


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 9, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Joseph Nathan Kane, The American Counties (4th Ed.), (The Scarecrow Press, 1983), p149; Arrell Morgan Gibson, Oklahoma: A History of Five Centuries (University of Oklahoma Press, 1981), p208.
  4. ^ a b c d e Wilson, Linda D. Encyclopedia of Oklahoma History and Culture. "Harmon County." Retrieved September 26, 2013.
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  6. ^ "U.S. Decennial Census". Retrieved April 2014. 
  7. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  8. ^
  9. ^ "Dave Leip's Atlas of U.S. Presidential Elections". Retrieved 2011-06-11. 

External links[]

Coordinates: 34°44′N 99°50′W / 34.74, -99.84

This page uses content from the English language Wikipedia. The original content was at Harmon County, Oklahoma. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.