Gray County is a county located in the U.S. state of Kansas. Its county seat and most populous city is Cimarron.^[2] As of the 2020 census, the county population was 5,653.^[1] The county was named after Alfred Gray, a 19th century Kansas politician.

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Gray County
County
Former Gray County Courthouse in Cimarron (2015)
Location within the U.S. state of Kansas
Kansas's location within the U.S.
Coordinates: 37°44′00″N 100°25′59″W
Country	United States
State	Kansas
Founded	March 13, 1881
Named for	Alfred Gray
Seat	Cimarron
Largest city	Cimarron
Area
• Total	869 sq mi (2,250 km2)
• Land	869 sq mi (2,250 km2)
• Water	0.4 sq mi (1 km2)  0.05%
Population  (2020)[1]
• Total	5,653
• Density	6.5/sq mi (2.5/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	1st
Website	GrayCo.org

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For millennia, the Great Plains of North America were inhabited by nomadic Native Americans.

In 1854, the Kansas Territory was organized, then in 1861 Kansas became the 34th U.S. state.

Gray County was founded in 1881 and named for Alfred Gray.^[3] Between 1887 and 1893, a county seat war took place in Gray County that involved several notable Old West figures, such as Bat Masterson, Bill Tilghman, and Ben Daniels. As a result of the dispute, Cimarron became the permanent county seat of Gray County.^[4]

According to the U.S. Census Bureau, the county has a total area of 869 square miles (2,250 km²), of which 869 square miles (2,250 km²) is land and 0.4 square miles (1.0 km²) (0.05%) is water.^[5]

Since 2001, NextEra Energy Resources has operated the largest wind farm in Kansas—170 turbines with a generating capacity of 110 megawatts—on a 12,000-acre (49 km²) site near Montezuma.^[6]

As of the 2000 census,^[12] there were 5,904 people, 2,045 households, and 1,556 families residing in the county. The population density was 7 people per square mile (2.7 people/km²). There were 2,181 housing units at an average density of 2 per square mile (0.77/km²). The racial makeup of the county was 92.31% White, 0.46% Native American, 0.19% Black or African American, 0.10% Asian, 0.07% Pacific Islander, 5.42% from other races, and 1.46% from two or more races. Hispanic or Latino of any race were 9.81% of the population.

There were 2,045 households, out of which 42.00% had children under the age of 18 living with them, 67.70% were married couples living together, 5.60% had a female householder with no husband present, and 23.90% were non-families. 21.20% of all households were made up of individuals, and 9.40% had someone living alone who was 65 years of age or older. The average household size was 2.82 and the average family size was 3.31.

In the county, the population was spread out, with 31.60% under the age of 18, 8.30% from 18 to 24, 27.30% from 25 to 44, 20.20% from 45 to 64, and 12.70% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 100.10 males. For every 100 females age 18 and over, there were 96.20 males.

The median income for a household in the county was $40,000, and the median income for a family was $45,299. Males had a median income of $31,519 versus $21,563 for females. The per capita income for the county was $18,632. About 6.50% of families and 9.10% of the population were below the poverty line, including 11.80% of those under age 18 and 8.00% of those age 65 or over.

List of townships / incorporated cities / unincorporated communities / extinct former communities within Gray County.^[16]

• Dry counties

Community information for Kansas

• Kansas locations by per capita income
• List of counties in Kansas
• List of townships in Kansas
• List of cities in Kansas
• List of unincorporated communities in Kansas
• List of ghost towns in Kansas