ZIP Code 45115
About Decatur
Decatur is an unincorporated community in eastern Byrd Township, Brown County, Ohio, United States. It has a post office with the ZIP code 45115. It is located along State Route 125, an east-west highway.
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Area Profile
US Census (ACS 5-year · Gazetteer)
130
population
29
people / sq mi
27.3
median age
56
housing units
56
households
4.5
land area (sq mi)