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Marengo, IA ZIP code

The ZIP code for Marengo, Iowa is 52301. It is in Iowa County.

Population in these ZIPs
4,028
Avg. median income
$70,200population-weighted
Typical home value
$192,200population-weighted
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ZIP codes within 10 miles

Marengo, IA ZIP code list

Marengo, IA ZIP codes
ZIP codePopulationMedian incomeTypical home value
523014,028$70,150$192,200

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 Marengo, IA?

The ZIP code for Marengo, IA is 52301.

What county is Marengo, Iowa in?

Marengo ZIP codes are in Iowa County.