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Guernsey, IA ZIP code

The ZIP code for Guernsey, Iowa is 52221. It is in Poweshiek County.

Population in these ZIPs
332
Avg. median income
$86,500population-weighted
Typical home value
$208,700population-weighted
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ZIP codes within 10 miles

Guernsey, IA ZIP code list

Guernsey, IA ZIP codes
ZIP codePopulationMedian incomeTypical home value
52221332$86,473$208,700

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

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Frequently asked questions

What is the ZIP code for Guernsey, IA?

The ZIP code for Guernsey, IA is 52221.

What county is Guernsey, Iowa in?

Guernsey ZIP codes are in Poweshiek County.