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Decatur County, Kansas facts for kids

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Decatur County
Bank of Oberlin (2014)
Bank of Oberlin (2014)
Map of Kansas highlighting Decatur County
Location within the U.S. state of Kansas
Map of the United States highlighting Kansas
Kansas's location within the U.S.
Country  United States
State  Kansas
Founded March 20, 1873
Named for Stephen Decatur, Jr.
Seat Oberlin
Largest city Oberlin
Area
 • Total 894 sq mi (2,320 km2)
 • Land 894 sq mi (2,320 km2)
 • Water 0.6 sq mi (2 km2)  0.07%%
Population
 (2020)
 • Total 2,764
 • Density 3.1/sq mi (1.2/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Area code 785
Congressional district 1st

Decatur County is a special area called a county in Northwest Kansas. It's like a district with its own local government. The main town and biggest city in the county is Oberlin. In 2020, about 2,764 people lived here.

The county got its name from Stephen Decatur, Jr.. He was a brave officer in the United States Navy. He served in important wars like the Barbary Wars and the War of 1812.

History of Decatur County

Early Times

For thousands of years, the wide-open Great Plains of North America were home to nomadic Native American tribes. They moved around to hunt and find food.

In the 16th to 18th centuries, the Kingdom of France said they owned large parts of North America. But after a war in 1762, France secretly gave a huge area, called New France, to Spain. This was part of a deal called the Treaty of Fontainebleau.

The 1800s

In 1802, Spain gave most of this land back to France. Then, in 1803, the United States bought a massive amount of land from France. This was called the Louisiana Purchase. It included most of what is now Kansas. The U.S. paid a very small amount for each acre of land.

In 1854, the Kansas Territory was set up. Then, in 1861, Kansas officially became the 34th state in the U.S.

Decatur County was created on March 20, 1873. It was officially organized on December 15, 1879. As mentioned, it was named after the Navy hero Commodore Stephen Decatur, Jr..

Oberlin was also the location of the last Native American raid in Kansas. This event involved the Northern Cheyenne tribe.

Geography

Map of Decatur Co, Ks, USA
A map of Decatur County, Kansas.

Decatur County covers about 894 square miles. Almost all of this area is land. Only a tiny part, about 0.6 square miles, is water.

Neighboring Counties

Decatur County shares its borders with several other counties:

Population Information

USA Decatur County, Kansas age pyramid
This chart shows the age groups of people in Decatur County in 2000.
Historical population
Census Pop.
1880 4,180
1890 8,414 101.3%
1900 9,234 9.7%
1910 8,976 −2.8%
1920 8,121 −9.5%
1930 8,866 9.2%
1940 7,434 −16.2%
1950 6,185 −16.8%
1960 5,778 −6.6%
1970 4,988 −13.7%
1980 4,509 −9.6%
1990 4,021 −10.8%
2000 3,472 −13.7%
2010 2,961 −14.7%
2020 2,764 −6.7%
2023 (est.) 2,712 −8.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

In 1879, about 1,500 people lived in Decatur County. By 1886, this number grew to 6,300. The population reached its highest point around 1900, with over 9,200 people. Since then, the population has slowly decreased. In 2020, there were 2,764 residents.

In 2000, there were 3,472 people living in the county. Most residents were White. About 25.8% of households had children under 18. The average age of people in the county was 44 years old.

Education

In 1909, Decatur County had 101 different school districts. Today, there is one main school district:

  • Oberlin USD 294

Towns and Places

Cities

These are the main cities in Decatur County:

Unincorporated Places

These are smaller communities that are not officially cities:

Townships

Decatur County is divided into twenty-five smaller areas called townships. The city of Oberlin is separate and not included in the township numbers. Each township has its own local government.

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