Where is the "Prairie Chicken Capital of the World"?

Context: Cassoday is a city in Butler County, Kansas, United States. It is known as the "Prairie Chicken Capital of the World". As of the 2020 census, the population of the city was 113.

Answer: Cassoday, KS in Butler County, Kansas is known as the "Prairie Chicken Capital of the World".  Its population in the 2020 census was 113 people.