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Oskaloosa, IA ZIP code

The ZIP code for Oskaloosa, Iowa is 52577. It is in Mahaska County.

Population in these ZIPs
14,585
Avg. median income
$66,100population-weighted
Typical home value
$190,800population-weighted
Metro area
Oskaloosa, IA
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ZIP codes within 10 miles

Oskaloosa, IA ZIP code list

Oskaloosa, IA ZIP codes
ZIP codePopulationMedian incomeTypical home value
5257714,585$66,084$190,800

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 Oskaloosa, IA?

The ZIP code for Oskaloosa, IA is 52577.

What county is Oskaloosa, Iowa in?

Oskaloosa ZIP codes are in Mahaska County.