Latham is an unincorporated community in eastern Mifflin Township, Pike County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 45646. It lies along State Route 124.
Latham community sign.
Looking east on Ohio Highway 124 in Latham.
Looking south on Ohio Highway 124 in Latham.
Coordinates: 39°05?56?N 83°14?48?W / 39.09889°N 83.24667°W / 39.09889; -83.24667