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Amherst, WI ZIP code

The ZIP code for Amherst, Wisconsin is 54406. It is in Portage County.

Population in these ZIPs
4,040
Avg. median income
$77,500population-weighted
Typical home value
$361,600population-weighted
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ZIP codes within 10 miles

Amherst, WI ZIP code list

Amherst, WI ZIP codes
ZIP codePopulationMedian incomeTypical home value
544064,040$77,533$361,600

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

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Frequently asked questions

What is the ZIP code for Amherst, WI?

The ZIP code for Amherst, WI is 54406.

What county is Amherst, Wisconsin in?

Amherst ZIP codes are in Portage County.