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Port William, OH ZIP code

The ZIP code for Port William (also written Pt. William), Ohio is 45164. It is in Clinton County.

Population in these ZIPs
175
Avg. median income
$48,800population-weighted
Typical home value
$96,700population-weighted
Metro area
Wilmington, OH
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ZIP codes within 10 miles

Port William, OH ZIP code list

Port William, OH ZIP codes
ZIP codePopulationMedian incomeTypical home value
45164175$48,750$96,700

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 Port William

Frequently asked questions

What is the ZIP code for Port William, OH?

The ZIP code for Port William, OH is 45164.

What county is Port William, Ohio in?

Port William ZIP codes are in Clinton County.