Lilliwaup, WA ZIP code
The ZIP code for Lilliwaup, Washington is 98555. It is in Mason County.
- Population in these ZIPs
- 324
- Avg. median income
- —population-weighted
- Typical home value
- $365,200population-weighted
- Metro area
- Shelton, WA
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Lilliwaup, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 98555 | 324 | — | $365,200 |
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 Lilliwaup
Frequently asked questions
What is the ZIP code for Lilliwaup, WA?
The ZIP code for Lilliwaup, WA is 98555.
What county is Lilliwaup, Washington in?
Lilliwaup ZIP codes are in Mason County.