Atchison County is located in the northeastern part of the state of Kansas, USA. It was established in 1855 and is named after David Atchison, a U.S. Senator. The county seat is the city of Atchison, which is known for its historical significance and charming architecture. The county covers an area of approximately 433 square miles and is characterized by rolling hills and rivers, including the Missouri River. Atchison County is primarily rural, with agriculture playing a significant role in its economy. The region is also home to several parks and recreational areas, offering outdoor activities for residents and visitors.