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Windsor, CO ZIP codes

Windsor, Colorado has 2 ZIP codes, including 1 PO Box ZIP. They are in Weld County.

Population in these ZIPs
46,456
Avg. median income
$126,100population-weighted
Typical home value
$545,300population-weighted
Metro area
Greeley, CO
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ZIP codes within 10 miles

Windsor, CO ZIP codes list

Windsor, CO ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
80550Weld County46,456$126,132$545,300
80551 PO BoxWeld 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 Windsor

Frequently asked questions

What is the ZIP code for Windsor, CO?

Windsor, CO has 2 ZIP codes: 80550 and 80551.

What county is Windsor, Colorado in?

Windsor ZIP codes are in Weld County.

Which Windsor ZIP codes are PO Boxes?

80551 is a PO Box or single-organization ZIP code; it has no residential delivery area.