Waterloo is an unincorporated community in southeastern Symmes Township, Lawrence County, Ohio, United States,[1] along Symmes Creek.
[2] It has a post office with the ZIP code 45688.
[3] Waterloo, Ohio is also noteworthy for having produced the Waterloo Wonders, who carried Ohio's Class B championship in basketball for both 1934 and 1935.
This Lawrence County, Ohio state location article is a stub.
You can help Wikipedia by expanding it.