Hutchinson is the largest city in and the county seat of Reno County, Kansas, United States, and located along the Arkansas River. As of the 2020 census, the population of the city was 40,006. It has been home to salt mines since 1887, thus its nickname of "Salt City". Each year, Hutchinson hosts the Kansas State Fair, and National Junior College Athletic Association (NJCAA) Men's Basketball Tournament. It is the home of the Hutchinson Community College, the Cosmosphere aerospace museum, and Strataca underground salt museum.