Kelley is a city in Story County, Iowa, United States. The population was 304 at the time of the 2020 census. It is part of the Ames Metropolita…Kelley is a city in Story County, Iowa, United States. The population was 304 at the time of the 2020 census. It is part of the Ames Metropolitan Statistical Area, which is a part of the larger Ames-Boone Combined Statistical Area.