San Juan County, Washington ZIP codes
9 ZIP codes are in San Juan County, plus 1 that cross in from neighboring counties.
- ZIP codes
- 9
- Population in these ZIPs
- 18,275
- Avg. median income
- $88,800population-weighted
- Cities & towns
- 9
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in San Juan County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 98222 | Blakely Island | 121 | $106,333 | $910,100 |
| 98243 | Deer Harbor | 327 | $139,167 | $1,094,800 |
| 98245 | Eastsound | 4,265 | $95,811 | $932,300 |
| 98250 | Friday Harbor | 9,254 | $88,556 | $888,300 |
| 98261 | Lopez Island | 2,984 | $80,119 | $869,300 |
| 98279 | Olga | 680 | $70,417 | $938,500 |
| 98280 | Orcas | 442 | $80,192 | $1,431,200 |
| 98286 | Shaw Island | 155 | $74,250 | $1,131,300 |
| 98297 | Waldron | 47 | $45,625 | $405,600 |
ZIP codes partly in San Juan County
These ZIP codes are mostly in a neighboring county but cover part of San Juan County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 98221 | Anacortes | Skagit County | 23,562 | $96,528 | $707,100 |
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 and towns in San Juan County
Nearby counties
Frequently asked questions
How many ZIP codes are in San Juan County, Washington?
9 ZIP codes are mainly in San Juan County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in San Juan County?
ZIP codes in San Juan County use the city names Blakely Island, Deer Harbor, Eastsound, Friday Harbor, Lopez Island, Olga, Orcas, Shaw Island and Waldron.