Cairo, OH

Cairo is a village in Allen County, Ohio, United States. The 2020 census counted 517 residents. Cairo is included in the Lima Metropolitan Statistical Area. Cairo was originally called West Cairo, and under the latter name was platted in 1848. Cairo has a public library, a branch of the Allen County Library. In Cairo, history and present-day settings sit close enough to belong to the same local picture. The map tells the story in Cairo, where earlier chapters remain visible in current streets, buildings, and gathering places. A post office called West Cairo was established in 1852, and the name was changed to Cairo in 1922. Cairo is located at the intersection of what was the east–west U.S. Route 30 and the north–south State Route 65 in the middle of farming country. In the 1970s, Route 30 was upgraded and moved approximately one mile south of Cairo.