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Mount Vernon, WA ZIP codes

Mount Vernon (also written Mt. Vernon), Washington has 2 ZIP codes. They are in Skagit County.

Population in these ZIPs
48,861
Avg. median income
$84,200population-weighted
Typical home value
$582,700population-weighted
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ZIP codes within 10 miles

Mount Vernon, WA ZIP codes list

Mount Vernon, WA ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
98273Skagit County30,001$76,717$560,600
98274Skagit County18,860$96,177$617,800

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

Cities near Mount Vernon

Frequently asked questions

What is the ZIP code for Mount Vernon, WA?

Mount Vernon, WA has 2 ZIP codes: 98273 and 98274.

What county is Mount Vernon, Washington in?

Mount Vernon ZIP codes are in Skagit County.