Atchison is a city and county seat of Atchison County, Kansas, United States, along the Missouri River. As of the 2020 census, the population of the city was 10,885. The city is named in honor of US Senator David Rice Atchison from Missouri and was the original eastern terminus of the Atchison, Topeka and Santa Fe Railway. Atchison is also the home of Benedictine College.
Atchison was founded in 1854 and named in honor of Missouri senator David Rice Atchison, who, when Kansas was opened for settlement, interested some of his friends in the scheme of forming a city in the new territory. Senator Atchison was interested in ensuring that the population of the new Kansas Territory would be majority pro-slavery, as he had been a prominent promoter of both slavery and the idea of popular sovereignty over the issue in the new lands. However, not everyone agreed upon the location he had selected, and on July 20, 1854, Dr. John H. Strin