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Tumtum, WA ZIP code

The ZIP code for Tumtum, Washington is 99034. It is in Stevens County.

Population in these ZIPs
198
Avg. median income
—population-weighted
Typical home value
—population-weighted
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ZIP codes within 10 miles

Tumtum, WA ZIP code list

Tumtum, WA ZIP codes
ZIP codePopulationMedian incomeTypical home value
99034198——

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 Tumtum, WA?

The ZIP code for Tumtum, WA is 99034.

What county is Tumtum, Washington in?

Tumtum ZIP codes are in Stevens County.