Atchison County, Kansas
Atchison County: County in Kansas, United States
About
Atchison County is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 16,924 and a population density of 15 people per km². After 10 years in 2020 county had an estimated population of 16,015 inhabitants. Its county seat is Atchison. The county was created 169 years ago in 1855.

Quick Facts about Atchison County
Population : | 16,015 (2020) |
Country : | United States of America |
State : | Kansas (United States) |
Different from : | Atchison County |
Area : | 1127 km2 |
Water as percent of area : | 0.6% |
Land as percent of area : | 99.4% |
Named for : | David Rice Atchison |
Altitude : | 1,070 feet / 326 meters |
Capital : | Atchison |
Establishment : | August 08, 1855 |
Time Zone : | Central Time Zone |
Local time : | 11:32:11 (22nd February 2025) |
Density : | 14 Pop. per km² as of 2020 |
Population growth : | -5.68% (2010-2020) |


Geography
Atchison County is located at 39°31'54"N 95°18'48"W (39.5317400, -95.3134400). It has 5 neighbors: Brown County, Doniphan County, Jackson County, Jefferson County and Leavenworth County.
Atchison County map
The largest city of Atchison County is Atchison with a population of 10,427. Other cities include, Farmington population 570, Effingham population 518, Shannon population 325 and Lancaster population 282. See all Atchison County cities & populated places.
Atchison County Populated Places
Cities, towns, neighborhoods & other populated places in Atchison County.
City Name | Population | Title |
---|---|---|
Atchison | 10,427 | City in Kansas, USA |
Farmington | 570 | City in United States of America |
Effingham | 518 | City in Atchison County, Kansas, United States of America |
Shannon | 325 | City in United States of America |
Lancaster | 282 | City in Kansas, U. |
Muscotah | 165 | City in Atchison County, Kansas, United States |
Parnell | 102 | Human settlement in United States of America |
Huron | 73 | City in Atchison County, Kansas |
- Official Website
Official website of Atchison County
Atchison County has 5 neighbours.
- Brown County county in Kansas, United States
- Doniphan County county in Kansas, United States
- Jackson County county in Kansas, United States
- Jefferson County county in Kansas, United States
- Leavenworth County county in Kansas, United States
- Atchison
Demographics
According to census records, the population of Atchison County decreased by 5.68% in 10 years.
Year | Population | % Change | Method |
2010 | 16,924 | - | census |
2011 | 16,753 | -1.02% | estimation process |
2012 | 16,774 | 0.13% | estimation process |
2013 | 16,688 | -0.52% | estimation process |
2014 | 16,523 | -1% | estimation process |
2015 | 16,418 | -0.64% | estimation process |
2016 | 16,376 | -0.26% | estimation process |
2017 | 16,298 | -0.48% | estimation process |
2018 | 16,173 | -0.77% | estimation process |
2019 | 16,073 | -0.62% | estimation process |
2020 | 16,015 | -0.36% | estimation process |
People born in Atchison County (1)
American politician Jim Slattery was born in Atchison County
Other places with the same name (2)
- Atchison County , Missouri county in Missouri, United States with a population of 5,096 people.
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. |