100 Smallest ZIP Codes in the United States by Population in San Juan County, Washington
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in San Juan County, Washington.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 98297 | WALDRON | WA | 55 |
| 2 | 98222 | BLAKELY ISLAND | WA | 117 |
| 3 | 98286 | SHAW ISLAND | WA | 158 |
| 4 | 98243 | DEER HARBOR | WA | 297 |
| 5 | 98280 | ORCAS | WA | 398 |
| 6 | 98279 | OLGA | WA | 614 |
| 7 | 98261 | LOPEZ ISLAND | WA | 3,112 |
| 8 | 98245 | EASTSOUND | WA | 4,088 |
| 9 | 98250 | FRIDAY HARBOR | WA | 8,953 |