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New Madison, OH ZIP code

The ZIP code for New Madison, Ohio is 45346. It is in Darke County.

Population in these ZIPs
1,663
Avg. median income
$77,100population-weighted
Typical home value
$212,900population-weighted
Metro area
Greenville, OH
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ZIP codes within 10 miles

New Madison, OH ZIP code list

New Madison, OH ZIP codes
ZIP codePopulationMedian incomeTypical home value
453461,663$77,083$212,900

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 New Madison

Frequently asked questions

What is the ZIP code for New Madison, OH?

The ZIP code for New Madison, OH is 45346.

What county is New Madison, Ohio in?

New Madison ZIP codes are in Darke County.