Diamond is an unincorporated community in eastern Palmyra Township, Portage County, Ohio, United States. It has a post office with the ZIP code 44412.[1] The community is part of the Akron Metropolitan Statistical Area. Interstate 76 travels near Diamond. The town used to be a stop on the New York Central Railroad, but the stop was abandoned in the early 1970s.[2]
A post office called Diamond has been in operation since 1880.[3] Diamond was originally a coal mining community, and the Black Diamond Coal Company operated there.[4]