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 classified by USPS as a standard delivery area and covers roughly 13.6 square miles in Oak Harbor, Island County, Washington. The area is home to 1,065 residents, producing a population density of 78 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 98278 against Washington and the nation.

On the economic side, the median household income for ZIP 98278 sits at , while per-capita income is $26,907. The poverty rate stands at and the unemployment rate at 0.0%. On housing, the median home value is with median rent at per month, and of occupied units are owner-occupied, a direct signal of whether 98278 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 13.8% of adults hold a bachelor's degree or higher, the median age is 22, and the average commute is 6 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Island County, so you can benchmark 98278 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 98278

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 98278.

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 · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 98278?

22.0

Median Age

82.1%

Male

17.9%

Female

10.6%

Foreign-Born

White 41.5%
African American 11.7%
Asian 9.5%
American Indian or Alaska Native 9.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.2%
Hispanic or Latino 32.7%

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?

High School Graduate or Higher 54.0%
Bachelor's Degree or Higher 13.8%

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.

residents

What this shows Among its immediate neighbors, ZIP 98278 ranks #3 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
98277 Oak Harbor, WA 37,823 2.2 mi
98239 Coupeville, WA 6,646 10.3 mi

More ZIP Codes in Island County

Frequently Asked Questions

What county is ZIP code 98278 in?
ZIP code 98278 (Oak Harbor) is located in Island County, Washington. Island County contains multiple ZIP codes, see the full list at /counties/island-wa.
What is the population of ZIP code 98278?
ZIP code 98278 in Oak Harbor, WA has a population of 1,065 according to the Census Bureau ACS 2023 estimates.
What is the demographic makeup of ZIP 98278?
The largest racial group in ZIP 98278 is White at 41.5%. Hispanic or Latino residents make up 32.7% of the population.
How many businesses are in ZIP code 98278?
ZIP code 98278 has 29 business establishments employing approximately 1,024 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98278?
The top industries by establishment count in ZIP 98278 are: Professional, scientific, and technical services (13), Health care and social assistance (4), Transportation and warehousing (3). There are 4 industry sectors represented in total.
What is the education level in ZIP code 98278?
In ZIP code 98278, 54.0% of residents aged 25+ have a high school diploma or higher, and 13.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 98278?
The mean commute time for workers in ZIP code 98278 is 6.2 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.

ZIP Code Research Guides

Official Data Resources for Oak Harbor, WA

Verify and explore additional data for this area using these official government sources.