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Mankato, MN ZIP codes

Mankato, Minnesota has 3 ZIP codes, including 1 PO Box ZIP. They are in Blue Earth County and Nicollet County.

Population in these ZIPs
66,843
Avg. median income
$72,500population-weighted
Typical home value
$304,700population-weighted
Metro area
Mankato, MN
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ZIP codes within 10 miles

Mankato, MN ZIP codes list

Mankato, MN ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
56001Blue Earth County51,585$69,531$300,200
56002 PO BoxBlue Earth County———
56003Nicollet County15,258$82,538$320,100

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 Mankato, MN?

Mankato, MN has 3 ZIP codes: 56001, 56002 and 56003.

What county is Mankato, Minnesota in?

Mankato ZIP codes are in Blue Earth County and Nicollet County.

Which Mankato ZIP codes are PO Boxes?

56002 is a PO Box or single-organization ZIP code; it has no residential delivery area.