ZIP Code 98278 - Oak Harbor Washington
Overview
ZIP Code 98278 is located in Oak Harbor Washington. Portions of 98278 are also in Whidbey Island Station. 98278 is entirely within Island County. Regionally, 98278 is located in Metro Seattle-Tacoma.
ZIP Code 98278 Quick Stats
| ZIP Code Name | Oak Harbor |
| Primary County | Island County |
| ZIP Code Type | Unique |
| Population (2022) | 2,351 |
| Area Code(s) | 360 / 564 |
| Current Time | PDT |
ZIP Code 98278 Map
98278 Demographics
The majority race/ethnicity residing in 98278 is White. The current unemployment level in 98278 is 5.1%.
| Population | 2,351 |
| Population Growth Rate | 40.03% |
| Population Density | 461 People per Square Mile |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 9% |
| Majority Race/Ethnicity | White - 45.47% |
98278 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,180 | 45.47% |
| Black | 340 | 13.1% |
| Hispanic | 823 | 31.71% |
| Asian | 53 | 2.04% |
| Native American | 199 | 7.67% |
| Hawaiian/Pac. Islander | 0 | 0% |
98278 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 30 | 16.22% |
| Bachelor Degree | 39 | 21.08% |
| High School Diploma | 16 | 8.65% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 91 | 49.19% |
| Associates Degree | 9 | 4.86% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
98278 Geography
| Coordinates | 48.34227753, -122.66358948 |
| Adjacent ZIP Codes | |
| Cities/Towns in 98278 | |
| Region | Metro Seattle-Tacoma |
| Metropolitan/Micropolitan Stat Area | Oak Harbor, WA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| Area | 5 Square Miles |
98278 Schools
| School Districts in 98278 | |
| Elementary Schools in 98278 | |
| Middle Schools in 98278 | |
| High Schools in 98278 |
98278 Weather and Climate Data
| Plant Hardiness Zone | Zone 8b: 15F to 20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | November 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Csb - Warm-Summer Mediterranean Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 2d - Olympic Rainshadow | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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