Waterloo is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

in southeastern Symmes Township, Lawrence County,

Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

, along Symmes Creek. It has a

post office A post office is a public facility and a retailer that provides mail services, such as accepting letters and parcels, providing post office boxes, and selling postage stamps, packaging, and stationery. Post offices may offer additional ser ...

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.

Notable person

* Mary R. Grizzle, Florida legislator

References

Unincorporated communities in Lawrence County, Ohio Unincorporated communities in Ohio {{LawrenceCountyOH-geo-stub