Postal Codes

98277 ZIP Code

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ZIP code 98277 covers Oak Harbor, Washington, with a population of about 40,338 and a median household income of $79,326.

Population
40,338705 per square mile
Median age
35.53.2 points below the US average
Median household income
$79,32616% below the Washington median
Poverty rate
7.5%4.9 points below the US average
Typical home value
$536,001up 12.6% in five years
Median rent
$1,651about the Washington median
Degree or higher
27.1%7.9 points below the US average
Homeownership
59.5%5.5 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
689

Where 98277 is

Oak Harbor, Washington — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population40,338
Median age35.5
Family households69.4%
Born outside the US9.3%
Speaks a language other than English at home12.9%
White (non-Hispanic)66.3%
Black (non-Hispanic)3.6%
Asian (non-Hispanic)7.7%
Hispanic or Latino12.3%
Veterans21.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$79,326
Income per person$38,855
Poverty rate7.5%
Households on SNAP or cash assistance9.4%

Household income distribution

Under $10k3.5%
$10–15k1.5%
$15–20k2.2%
$20–25k2.6%
$25–30k2.3%
$30–35k3.0%
$35–40k3.8%
$40–45k3.2%
$45–50k4.1%
$50–60k8.5%
$60–75k12.4%
$75–100k15.2%
$100–125k11.3%
$125–150k9.7%
$150–200k8.3%
$200k or more8.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed19,010
Mean adjusted gross income$77,795
Returns declaring $200,000 or more4.7%
Returns, under $25k18.4%
Returns, $25k–$50k27.7%
Returns, $50k–$75k18.2%
Returns, $75k–$100k12.0%
Returns, $100k–$200k19.0%
Returns, $200k or more4.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$455,300
Median gross rent$1,651
Rent as a share of household income31.6%
Owner-occupied59.5%
Vacant homes9.6%
Median year built1989

What the homes are

Detached house63.2%
Attached house4.8%
2 to 4 units11%
5 to 19 units9.8%
20 or more units3.2%
Mobile home7.9%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$536,001as of 2026-07
Typical home value, 1 yearup 1.6%
Typical home value, 5 yearsup 12.6%
Typical home value, 10 yearsup 80.8%
Typical asking rent$1,966as of 2026-07
Typical asking rent, 1 yearup 4.6%
Typical asking rent, 5 yearsup 32%
Typical asking rent, 10 yearsup 85%
Typical home value since 2000
200620162026$536,001$224,479

$278,733 in 2006 to $536,001 in 2026.

Typical asking rent
201520202026$1,966$910

$910 in 2015 to $1,966 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher27.1%
High school diploma or higher94.7%
Works from home7.8%
Drives to work alone77.2%
Takes public transport0.4%
Commutes 45 minutes or more11.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.5% 0.9 pts below the national average of 33.4%
Diagnosed diabetes9.1% 2.9 pts below the national average of 12%
Currently smokes11% 2.2 pts below the national average of 13.2%
High blood pressure30.3% 3.8 pts below the national average of 34.1%
Fair or poor general health16.4% 3.9 pts below the national average of 20.3%
No health insurance (18–64)8.5% 2.8 pts below the national average of 11.3%
Depression25% 3.1 pts above the national average of 21.9%
No leisure-time physical activity16.8% 8.6 pts below the national average of 25.4%
Arthritis24.5% 0.6 pts below the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication70.1% 4.6 pts below the national average of 74.7%
Cancer (non-skin)8.1% same as the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year69.8% 6.9 pts below the national average of 76.7%
Cholesterol screening81.8% 4.1 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening67.5% 3.2 pts above the national average of 64.3%
COPD5.4% 1.2 pts below the national average of 6.6%
Visited a dentist64.2% 2.9 pts above the national average of 61.3%
Any disability28.9% 1.8 pts below the national average of 30.7%
Hearing disability6.6% same as the national average of 6.7%
High cholesterol32.6% 3.6 pts below the national average of 36.2%
Independent living disability7.4% 1 pts below the national average of 8.4%
Mammography use71.7% 4.2 pts below the national average of 75.9%
Poor mental health (14+ days)17.4% 0.6 pts above the national average of 16.8%
Mobility disability11.4% 2.6 pts below the national average of 14%
Poor physical health (14+ days)12.8% 0.7 pts below the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke3% same as the national average of 3.4%
All natural teeth lost9% 4 pts below the national average of 13%
Vision disability4.2% 1.4 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments689
People employed5,911
Annual payroll$236,919,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 52.7% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 12 census tracts this ZIP code covers
Expected annual loss54 out of 100
Community resilience72.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide96.9Very High at its worst in this ZIP code
Earthquake89.9Relatively High at its worst in this ZIP code
Coastal flooding82.3Relatively Moderate at its worst in this ZIP code
Wildfire62.9Relatively Low at its worst in this ZIP code
Volcanic activity62.3Very Low at its worst in this ZIP code
Winter weather52.6Relatively Moderate at its worst in this ZIP code
Cold wave47.9Relatively Moderate at its worst in this ZIP code
Ice storm45.4Relatively Moderate at its worst in this ZIP code
Tsunami34.3Very Low at its worst in this ZIP code
River flooding26.6Relatively Low at its worst in this ZIP code
Lightning24.2Relatively Low at its worst in this ZIP code
Heat wave10.1Very Low at its worst in this ZIP code
Tornado8.6Very Low at its worst in this ZIP code
Hail3.6Very Low at its worst in this ZIP code
Strong wind3.5Very Low at its worst in this ZIP code
Compared with Washington and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPWashingtonUnited States
Median household income$79,326$94,952$78,538
Income per person$38,855$51,493$43,289
Poverty rate7.5%9.9%12.4%
Median home value$455,300$519,800$303,400
Median gross rent$1,651$1,682$1,348
Homeownership59.5%63.9%65%
Bachelor's degree or higher27.1%38.8%35%
Unemployment rate5.3%5%5.2%
Works from home7.8%17.7%13.5%
Born outside the US9.3%15.1%13.9%
Median age35.538.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWHIDBEY ISLAND NAS, WA US4.4 km away
Rain in a year20 in
Snow in a year5 in

Average high and low by month

January49.3°F / 38.1°F2.43 in rain, 1.1 in snow
February51.1°F / 37.2°F1.63 in rain, 1 in snow
March54.5°F / 40.1°F1.68 in rain, 0.6 in snow
April58.4°F / 43.4°F1.69 in rain
May62°F / 48°F1.69 in rain
June65.8°F / 51.5°F1.12 in rain
July69°F / 54°F0.63 in rain
August69.7°F / 53.9°F0.85 in rain
September66.8°F / 50.2°F1.08 in rain
October60.2°F / 45.6°F2.04 in rain
November53.5°F / 40.9°F3.13 in rain, 0.3 in snow
December48.7°F / 37.8°F1.95 in rain, 2.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket13% of this ZIP code's area
Far from a supermarket23% of this ZIP code's area
No vehicle and far from a supermarket10% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Oak Harbor School District97.1% of this ZIP code's land area
Coupeville School District2.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics49more vulnerable than 49% of US census tracts
Racial and ethnic minority status41more vulnerable than 41% of US census tracts
Housing type and transport45more vulnerable than 45% of US census tracts
Walkability8.1 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

98278 Oak Harbor, WA3.7 km away
98239 Coupeville, WA11.2 km away
98257 La Conner, WA13.1 km away
98282 Camano Island, WA17.7 km away
98221 Anacortes, WA20.6 km away
98238 Conway, WA21.7 km away
98292 Stanwood, WA23 km away
98253 Greenbank, WA24.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Island County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area57.25 sq mi
Water area13.88 sq mi
Population density705 people per sq mi
Latitude, longitude48.3151, -122.6374

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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