Skip to content

Marshall, WA ZIP code

The ZIP code for Marshall, Washington is 99020. It is in Spokane County.

Population in these ZIPs
16
Avg. median income
—population-weighted
Typical home value
—population-weighted
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Marshall, WA ZIP code list

Marshall, WA ZIP codes
ZIP codePopulationMedian incomeTypical home value
9902016——

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 Marshall

Frequently asked questions

What is the ZIP code for Marshall, WA?

The ZIP code for Marshall, WA is 99020.

What county is Marshall, Washington in?

Marshall ZIP codes are in Spokane County.