Plattsburgh (also spelled "Plattsburg") is an unincorporated community in central Harmony Township, Clark County, Ohio, United States.
[1] It is located along State Route 54 near the headwaters of the North Fork Little Miami River.
Plattsburgh is part of the Springfield, Ohio Metropolitan Statistical Area.
[2][3] A post office was established at Plattsburgh in 1867, and remained in operation until 1968.
This Clark County, Ohio state location article is a stub.