Oak Harbor, WA · standard
ZIP Code 98278
Island County, Washington - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,065
- 78/sq mi
- 13.8%
- Bachelor's or higher
ZIP code 98278 is a sparsely populated ZIP (a standard USPS delivery area) in Oak Harbor, Island County, Washington, home to just 1,065 residents across 13.6 square miles, a density of 78 people per square mile, in the Los Angeles time zone.
Median household income is not on file for ZIP 98278, but per-capita income is $26,907. Poverty here runs at -, with unemployment measured at 0.0%. Housing costs here run - for a typical home value, with rent averaging - a month; - of homes are owner-occupied.
Formal educational attainment runs low here: just 13.8% of adults hold a bachelor's degree or higher, the median age is 22, and the average commute is 6 minutes. A geography-based comparison follows: 2 ZIP codes within about 10 miles of 98278, plus 6 more within Island County, give a clearer read than the national average alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 98278
Top 5 sectors by establishment count in Oak Harbor, WA
Which industries have the most business establishments in ZIP 98278.
- Professional, scientific, and technical services
Professional, scientific, and technical services
13 establishments
- Health care and social assistance 4
Health care and social assistance
4 establishments
- Transportation and warehousing 3
Transportation and warehousing
3 establishments
- Educational services 3
Educational services
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 98278, Oak Harbor, WA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,065
Population
13.6
Area (sq mi)
78
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 98278?
22.0
Median Age
82.1%
Male
17.9%
Female
10.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$26,907
Per Capita Income
0.0%
Unemployment Rate
6.2 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 29 business establishments in ZIP 98278, employing approximately 1,024 people with a combined annual payroll of $60,910,000.
29
Businesses
1,024
Employees
$60.9M
Annual Payroll
4
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 13 | 44.8% |
| Health care and social assistance | 4 | 13.8% |
| Transportation and warehousing | 3 | 10.3% |
| Educational services | 3 | 10.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 98278 vs 98277 →
ZIP 98278 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 98277
Oak Harbor (98277)
37,823 residents
- 98239 6,646
Coupeville (98239)
6,646 residents
- 98278 1,065
Oak Harbor (98278)
1,065 residents
What this shows Among its immediate neighbors, ZIP 98278 ranks #3 by population - useful context the national average alone can't give.
More ZIP Codes in Island County
Related Areas
Frequently Asked Questions
What county is ZIP code 98278 in? ▼
What is the population of ZIP code 98278? ▼
What is the demographic makeup of ZIP 98278? ▼
How many businesses are in ZIP code 98278? ▼
What are the main industries in ZIP code 98278? ▼
What is the education level in ZIP code 98278? ▼
What is the average commute time in ZIP 98278? ▼
Read our methodology to see how this data is sourced, computed, and verified.