Steilacoom, WA ZIP code
The ZIP code for Steilacoom, Washington is 98388. It is in Pierce County.
- Population in these ZIPs
- 7,043
- Avg. median income
- $100,900population-weighted
- Typical home value
- $640,000population-weighted
- Metro area
- Seattle-Tacoma-Bellevue, WA
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Steilacoom, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 98388 | 7,043 | $100,851 | $640,000 |
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 Steilacoom
- Fox Island 4 mi
- Anderson Island 4 mi
- Longbranch 4 mi
- Lakebay 5 mi
- University Place 5 mi
- Dupont 7 mi
- Camp Murray 8 mi
- Lakewood 9 mi
- Vaughn 9 mi
- Gig Harbor 9 mi
- Mcchord Afb 10 mi
- Tacoma 11 mi
Frequently asked questions
What is the ZIP code for Steilacoom, WA?
The ZIP code for Steilacoom, WA is 98388.
What county is Steilacoom, Washington in?
Steilacoom ZIP codes are in Pierce County.