Maplewood
Market InsightsMaplewood is an unincorporated community in northern Salem Township, Shelby County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 45340. It lies along State Route 65.A post office called Maplewood has been in operation since 1880. Growth remained static until the railroad was extended to the site in 1892. The Detroit, Toledo and Ironton Railroad continues to run through this community.