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Decatur, OH ZIP code

The ZIP code for Decatur, Ohio is 45115. It is in Brown County.

Population in these ZIPs
151
Avg. median income
$49,800population-weighted
Typical home value
—population-weighted
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ZIP codes within 10 miles

Decatur, OH ZIP code list

Decatur, OH ZIP codes
ZIP codePopulationMedian incomeTypical home value
45115151$49,844—

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Decatur

Frequently asked questions

What is the ZIP code for Decatur, OH?

The ZIP code for Decatur, OH is 45115.

What county is Decatur, Ohio in?

Decatur ZIP codes are in Brown County.