ZIP Code 45688
About Waterloo
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.
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Area Profile
US Census (ACS 5-year · Gazetteer)
204
population
$25,500
median household income
6
people / sq mi
$664
median gross rent
41.2
median age
166
housing units
100
households
34.0
land area (sq mi)
Key places in 45688
- Miller Hill nature