Corning is a city in Nemaha County, Kansas, United States. As of the 2020 census, the population of the city was 212. Corning was founded in 1…Corning is a city in Nemaha County, Kansas, United States. As of the 2020 census, the population of the city was 212. Corning was founded in 1857 a mile and a half distant from the present town. In 1867, Corning was moved to the site it now occupies. It was named for Erastus Corning, of New York.