Oak Harbor, Washington ZIP Codes

ZIP records
2
Sum of listed ZIP population estimates
42,849
Counties represented
1
Population range
1,932–40,917 per ZIP

Population sum includes positive estimates in these ZIP records; it is not an official city population.

Top ZIP Codes by Population

Rank	ZIP Code	City	County	Population estimate
1	98277	Oak Harbor	Island	40,917
2	98278	Oak Harbor	Island	1,932

Counties represented

Island County

All ZIP Codes in Oak Harbor

ZIP 98277 — Island County
ZIP 98278 — Island County

Browse all ZIP data for Washington

Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.