what county is corning ia in
Corning, Iowa. Homefacts City Report. Corning is located in Adams County, IA. The population is 1,603, making Corning the largest city in Adams County. There are 3 public schools in Corning with an average Homefacts rating of B. The total crime rate for Corning is low, and there are 4 registered sex offenders residing in the city.