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Fergus Falls, MN ZIP codes

Fergus Falls, Minnesota has 2 ZIP codes, including 1 PO Box ZIP. They are in Otter Tail County.

Population in these ZIPs
19,856
Avg. median income
$65,500population-weighted
Typical home value
$247,500population-weighted
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ZIP codes within 10 miles

Fergus Falls, MN ZIP codes list

Fergus Falls, MN ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
56537Otter Tail County19,856$65,473$247,500
56538 PO BoxOtter Tail County———

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

Cities near Fergus Falls

Frequently asked questions

What is the ZIP code for Fergus Falls, MN?

Fergus Falls, MN has 2 ZIP codes: 56537 and 56538.

What county is Fergus Falls, Minnesota in?

Fergus Falls ZIP codes are in Otter Tail County.

Which Fergus Falls ZIP codes are PO Boxes?

56538 is a PO Box or single-organization ZIP code; it has no residential delivery area.