Decatur County, Kansas

Decatur County: County in Kansas, United States

About

Decatur County is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 2,961 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 2,776 inhabitants. Its county seat is Oberlin. The county was created 151 years ago in 1873.

Decatur County locator map
Location of Decatur County on Kansas map.

Quick Facts about Decatur County

Population : 2,776 (2020)
Country : United States of America
State : Kansas (United States)
Different from : Decatur County, Decatur County, Decatur County, Decatur County, Decatur, Kansas
Area : 2316 km2
Water as percent of area : 0.07%
Land as percent of area : 99.93%
Named for : Stephen Decatur
Capital : Oberlin
Establishment : March 03, 1873
Time Zone : Central Time Zone
Local time : 01:06:52 (23rd February 2025)
Density : 1 Pop. per km² as of 2020
Population growth : -6.66% (2010-2020)
Bank of Oberlin from SE 1 image
Bank of Oberlin from SE 1
Bank of Oberlin from SE 1 image
Bank of Oberlin from SE 1 image

Geography

Decatur County is located at 39°47'5"N 100°27'36"W (39.7847600, -100.4599000). It has 6 neighbors: Norton County, Furnas County, Rawlins County, Sheridan County, Thomas County and Red Willow County.

Decatur County map

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The largest city of Decatur County is Norcatur with a population of 142. Other cities include, Jennings population 90 and Allison population 24. See all Decatur County cities & populated places.

Decatur County Populated Places

Cities, towns, neighborhoods & other populated places in Decatur County.

City Name Population Title
Norcatur 142 Human settlement in Decatur County, Kansas, United States of America
Jennings 90 City in Kansas, USA
Oberlin 75 Township in Decatur County, Kansas
Dresden 39 Village in the U.
Allison 24 Human settlement in United States of America

Decatur County has 6 neighbours.

  • Oberlin

Demographics

According to census records, the population of Decatur County decreased by 6.66% in 10 years.

Year Population % Change Method
2010 2,961 - census
2011 2,927 -1.16% estimation process
2012 2,884 -1.49% estimation process
2013 2,908 0.83% estimation process
2014 2,897 -0.38% estimation process
2015 2,923 0.89% estimation process
2016 2,828 -3.36% estimation process
2017 2,863 1.22% estimation process
2018 2,860 -0.1% estimation process
2019 2,827 -1.17% estimation process
2020 2,776 -1.84% estimation process

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People born in Decatur County (1)

American scientist Rolla Neil Harger was born in Decatur County

Other places with the same name (5)

Kansas Other Counties (more counties)

County Name Population Title
Johnson County 607,220 County in Wyoming, United States
Sedgwick County 519,907 County in Kansas, United States
Wichita 391,731 The largest city in Kansas and the center of the Wichita metropolitan area.
Overland Park 197,381 The second most populous city in Johnson County, Kansas.
Shawnee County 175,999 County in Kansas, United States
Wyandotte County 165,265 County in Kansas, United States
Kansas City 152,960 The second most populous city in Kansas.
Douglas County 122,530 County in Kansas, United States
Leavenworth County 82,246 County in Kansas, United States
Riley County 73,202 County in Kansas, United States
Butler County 66,992 County in Kansas, United States of America
Shawnee 66,298 The most populous city in Johnson County, Kansas.
Reno County 61,793 County in Kansas, United States
Lenexa 56,156 The most populous city in Johnson County, Kansas.
Saline County 53,926 County in Kansas, United States
Salina 46,274 The most populous city in Saline County, Kansas.