Gridley is an unincorporated community in Emmet County, Iowa, United States.

[1] Gridley was platted in 1899 when the Chicago & Northwestern railroad was extended to that point.

[2] The railroad company named the town after Ashel Gridley, an Illinois banker.

[3] A post office was established in Gridley in 1900, and remained in operation until being discontinued in 1910.

This article about the geography of Emmet County, Iowa is a stub.