In the east part of Kansas, Denison is a small city with a population of only 187 as of the 2010 census. Found within Jackson County, Denison is part of the Topeka, Kansas Metropolitan statistical area. The area was originally settled due to the presence of the Northwestern Railway laying railroad in the area. Johnson County houses the Prairie Band Potawatomi Indian Reservation. There are five structures and sites in Jackson County that are listed on the National Register of Historic Places. In addition to the area have historic places, there are links to historic people in Denison, as the sister of William F. “Buffalo Bill” Cody was buried there and Buffalo Bill came to Denison to visit his family in the area.