Waterloo is an unincorporated community in southeastern Symmes Township, Lawrence County, Ohio, United States, along Symmes Creek. It has a post office with the ZIP code 45688. 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.
Municipalities and communities of Lawrence County, Ohio, United States | ||
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| Footnotes | ‡This populated place also has portions in an adjacent county or counties | |
38°42′05″N 82°28′26″W / 38.701389°N 82.473889°W
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