Oak Harbor, WA · standard

ZIP Code 98277

Island County, Washington — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

37,823
259/sq mi
$83,253
Median income
$499,600
Median home value
27.5%
Bachelor's or higher

The verdict

Oak Harbor pairs an above-median household income with upper-quartile home values, in a low-density, mixed-tenure area.

Top 34%
household income, US ZIPs
Top 13%
home value, US ZIPs
259
people per sq mi
60%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 98277 against every reporting US ZIP.

ZIP code 98277 is classified by USPS as a standard delivery area and covers roughly 146.3 square miles in Oak Harbor, Island County, Washington. The area is home to 37,823 residents, producing a population density of 259 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 98277 against Washington and the nation.

On the economic side, the median household income for ZIP 98277 sits at $83,253 (8% below the Washington average), while per-capita income is $39,272. The poverty rate stands at 8.0% and the unemployment rate at 3.7%. On housing, the median home value is $499,600 (2% below the state average) with median rent at $1,672 per month, and 59.7% of occupied units are owner-occupied, a direct signal of whether 98277 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 27.5% of adults hold a bachelor's degree or higher, the median age is 34.9, and the average commute is 20 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Island County, so you can benchmark 98277 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 98277

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 98277.

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 98277, 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

37,823

Population

146.3

Area (sq mi)

259

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 98277?

34.9

Median Age

49.6%

Male

50.4%

Female

9.6%

Foreign-Born

White 68.2%
African American 2.9%
Asian 7.5%
American Indian or Alaska Native 0.8%
Native Hawaiian or Pacific Islander 0.8%
Two or More Ethnicities 16.8%
Hispanic or Latino 12.9%

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?

$83,253

Median Household Income

-8% vs state

$39,272

Per Capita Income

8.0%

Poverty Rate

3.7%

Unemployment Rate

20.1 min

Mean Commute Time

How ZIP 98277 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$83,253 Top 34% higher than 66% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 52.9%
Bachelor's Degree or Higher 27.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

17,882

Total Housing Units

16,142

Occupied Units

1,740

Vacant Units

2.52

Avg Household Size

Occupancy Type

Owner 59.7%
Renter 40.3%

$499,600

Median Home Value

-2% vs state

$1,672

Median Rent

1990

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+4.6%

YoY Change (2024)

316

HPI Index (2000 = 100)

+216%

Total Change Since 2000

Home values in ZIP 98277 have increased 4.6% over the past year (2024). Since 2000, this ZIP has seen +216% cumulative appreciation.

Year Annual Change HPI Index
2020 +7.0% 222
2021 +12.6% 250
2022 +17.2% 293
2023 +3.1% 303
2024 +4.6% 316

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 702 business establishments in ZIP 98277, employing approximately 6,290 people with a combined annual payroll of $266,400,000.

702

Businesses

6,290

Employees

$266.4M

Annual Payroll

18

Industry Sectors

Industry Establishments % of Total
Construction 111 15.8%
Health care and social assistance 90 12.8%
Retail trade 82 11.7%
Other services (except public administration) 82 11.7%
Accommodation and food services 80 11.4%
Administrative and support and waste management and remediation services 55 7.8%
Real estate and rental and leasing 51 7.3%
Finance and insurance 36 5.1%
Professional, scientific, and technical services 33 4.7%
Arts, entertainment, and recreation 19 2.7%
Manufacturing 15 2.1%
Educational services 12 1.7%
Information 11 1.6%
Transportation and warehousing 10 1.4%
Wholesale trade 4 0.6%
Agriculture, forestry, fishing and hunting 3 0.4%
Utilities 3 0.4%
Management of companies and enterprises 3 0.4%

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 98277 vs 98278 →

ZIP 98277 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 98277 ranks the most populous — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 98277 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 98277 ranks #3 of 3 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
98278 Oak Harbor, WA 1,065 2.2 mi
98239 Coupeville, WA 6,646 8.7 mi
98257 La Conner, WA 4,134 8.9 mi

More ZIP Codes in Island County

Frequently Asked Questions

What county is ZIP code 98277 in?
ZIP code 98277 (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 98277?
ZIP code 98277 in Oak Harbor, WA has a population of 37,823 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 98277?
The median household income in ZIP 98277 is $83,253, which is 9% above the national average of $76,288.
What is the average home value in ZIP 98277?
The median home value in ZIP 98277 is $499,600, which is 80% above the national average of $278,155.
What is the demographic makeup of ZIP 98277?
The largest racial group in ZIP 98277 is White at 68.2%. Hispanic or Latino residents make up 12.9% of the population.
How many businesses are in ZIP code 98277?
ZIP code 98277 has 702 business establishments employing approximately 6,290 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 98277?
The top industries by establishment count in ZIP 98277 are: Construction (111), Health care and social assistance (90), Retail trade (82). There are 18 industry sectors represented in total.
How have home values changed in ZIP code 98277?
According to the FHFA House Price Index, home values in ZIP 98277 increased by 4.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 216%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 98277?
In ZIP code 98277, 52.9% of residents aged 25+ have a high school diploma or higher, and 27.5% 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 98277?
The mean commute time for workers in ZIP code 98277 is 20.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 98277?
In ZIP code 98277, approximately 59.7% of occupied housing units are owner-occupied and 40.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 98277?
The poverty rate in ZIP code 98277 is 8.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Oak Harbor, WA

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