98277 ZIP Code — Oak Harbor, WA
Island County, Washington
ZIP code 98277 is located in Oak Harbor, Washington, within Island County. It covers approximately 57.25 square miles and serves a population of 40,181 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 360/564.
About ZIP code 98277
The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $415,500. Owner-occupancy sits near the national average at 58%.
Median household income is $72,441. The poverty rate of 7% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 23% of civilians, above the national average of 7%.
40,181
population
57.25
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
98277 ZIP code map
Cities in ZIP code 98277
Below are the cities the US Postal Service accepts for ZIP code 98277. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Oak Harbor | Acceptable |
| Oak Harbor | Preferred |
Nearby ZIP codes
98278 Oak Harbor (1.8 mi)
98257 La Conner (8.5 mi)
98239 Coupeville (10.1 mi)
98273 Mount Vernon (13.6 mi)
98221 Anacortes (13.7 mi)
98282 Camano Island (13.9 mi)
98253 Greenbank (15.9 mi)
98292 Stanwood (17.2 mi)
98261 Lopez Island (18 mi)
98222 Blakely Island (18.5 mi)
98358 Nordland (18.7 mi)
98232 Bow (18.9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 40,181 |
| Population density | 702 / sq mi |
| State FIPS | 53 |
| County FIPS | 029 |
| Geography | |
|---|---|
| Land area | 57.25 sq mi |
| Water area | 13.88 sq mi |
| Latitude | 48.3220 |
| Longitude | -122.6320 |
| Timezone | Pacific (PT) |
| Area code | 360/564 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.3% | 32.9% | 31.7% |
| $50k – $100k | 38.9% | 35.7% | 30.6% |
| $100k – $200k | 20.5% | 25.2% | 27.1% |
| Over $200k | 3.3% | 6.2% | 10.6% |
Demographics & statistics
40,181
Population
702
People per sq mi
35.1
Median age
$72,441
Median household income
$36,517
Per capita income
$415,500
Median home value
$1,542
Median monthly rent
58.4%
Home ownership
7.4%
Poverty rate
6.5%
Unemployment
10,989
Housing units
26.5%
Bachelor's or higher
Age distribution
Male
Female
1,502
Under 5
1,604
1,073
5–9
1,146
1,361
10–14
1,454
926
15–19
989
1,179
20–24
1,260
3,616
25–34
3,864
2,736
35–44
2,924
1,775
45–54
1,897
1,129
55–59
1,207
1,008
60–64
1,077
1,872
65–74
1,999
890
75–84
951
359
85+
383
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9,214 | 22.9% |
| 18 and over | 30,967 | 77.1% |
| 65 and over | 6,454 | 16.1% |
| Median age | 35.1 years | |
Race & ethnicity
White
67.9%
Two or more races
11%
Asian
6.8%
Hispanic or Latino
6.4%
Black or African American
3.4%
Other race
2.5%
American Indian / Alaska Native
1.2%
Native Hawaiian / Pacific Islander
0.7%
| Group | Count | % |
|---|---|---|
| White | 29,159 | 67.9% |
| Two or more races | 4,719 | 11% |
| Asian | 2,916 | 6.8% |
| Hispanic or Latino | 2,740 | 6.4% |
| Black or African American | 1,476 | 3.4% |
| Other race | 1,078 | 2.5% |
| American Indian / Alaska Native | 523 | 1.2% |
| Native Hawaiian / Pacific Islander | 310 | 0.7% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 37.3% | 32.9% | 31.7% |
| $50k – $100k | 38.9% | 35.7% | 30.6% |
| $100k – $200k | 20.5% | 25.2% | 27.1% |
| Over $200k | 3.3% | 6.2% | 10.6% |
Under $10k
3.9%
$10k–$15k
1.9%
$15k–$25k
5.3%
$25k–$35k
6.2%
$35k–$50k
11.1%
$50k–$75k
23.3%
$75k–$100k
13.7%
$100k–$150k
19.7%
$150k–$200k
7.9%
$200k+
7.0%
| Range | % of households |
|---|---|
| Under $10k | 3.9% |
| $10k–$15k | 1.9% |
| $15k–$25k | 5.3% |
| $25k–$35k | 6.2% |
| $35k–$50k | 11.1% |
| $50k–$75k | 23.3% |
| $75k–$100k | 13.7% |
| $100k–$150k | 19.7% |
| $150k–$200k | 7.9% |
| $200k+ | 7.0% |
| Median income | $72,441 |
Housing
Home values
Under $50k
5.4%
$50k–$100k
2.6%
$100k–$150k
1.1%
$150k–$200k
3.3%
$200k–$300k
10.8%
$300k–$500k
47.2%
$500k–$1M
27.0%
$1M+
2.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $415,500 |
| Median rent / month | $1,542 |
| Owner occupied | 58.4% |
| Renter occupied | 41.6% |
| Vacant | 8.4% |
| Single-family detached | 63.1% |
| Large apartment buildings | 3.1% |
| Mobile homes | 8.6% |
| Median rooms | 5.4 |
| Avg household size (owned) | 2.45 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 7.2% |
| 2000–2009 | 16.1% |
| 1990–1999 | 20.4% |
| 1980–1989 | 17.7% |
| 1970–1979 | 17.5% |
| 1960–1969 | 9.4% |
| 1950–1959 | 8.1% |
| 1940–1949 | 0.8% |
| 1939 or earlier | 2.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.5% |
| 1 bedroom | 5.8% |
| 2 bedrooms | 26.5% |
| 3 bedrooms | 49.1% |
| 4 bedrooms | 14.7% |
| 5+ bedrooms | 1.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.5% |
| 1 vehicle | 31.1% |
| 2 vehicles | 40.1% |
| 3 or more | 25.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 29.4% |
| Electricity | 54.4% |
| Propane / LP gas | 9.8% |
| Fuel oil | 1.4% |
| Wood | 3.6% |
| Solar | 0.1% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,143 | 56.2% |
| Cohabiting couple | 889 | 5.5% |
| Male householder, no spouse | 2,537 | 15.6% |
| Female householder, no spouse | 3,695 | 22.7% |
| Households with children under 18 | 5,124 | 31.5% |
| Households with seniors (65+) | 4,613 | 28.4% |
| Average household size | 2.46 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 27.4% | 21.5% |
| Married | 61.6% | 58.2% |
| Separated | 1.3% | 1.7% |
| Widowed | 2.2% | 7.7% |
| Divorced | 7.4% | 10.8% |
Education
Less than 9th grade
2.5%
Some HS, no diploma
3.1%
HS graduate
24.5%
Some college, no degree
29.1%
Associate's degree
14.2%
Bachelor's degree
16.5%
Graduate / professional
10.0%
| Metric | % |
|---|---|
| HS diploma or higher | 94.4% |
| Bachelor's or higher | 26.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 817 | 8.9% |
| Kindergarten | 466 | 5.1% |
| Elementary school | 3,933 | 42.8% |
| High school | 1,494 | 16.2% |
| College / grad school | 2,486 | 27.0% |
Employment
Industry of employment
Education & healthcare
26.7%
Retail trade
15.2%
Professional & management
10.9%
Arts, food & hospitality
8.4%
Manufacturing
7.4%
Public administration
7.3%
Transportation & utilities
6.9%
Other services
4.5%
Construction
4.1%
Finance & real estate
3.3%
Wholesale trade
2.5%
Information
1.6%
Agriculture & mining
1.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 35.1% |
| Service | 19.9% |
| Sales & office | 21.5% |
| Natural resources & construction | 9.1% |
| Production & transportation | 14.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 68.5% |
| Government | 26.1% |
| Self-employed | 5.1% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 79.8% |
| Carpool | 9.4% |
| Public transit | 0.4% |
| Walk | 2.1% |
| Work from home | 6.3% |
| Other means | 1.9% |
| Avg commute (minutes) | 20.8 |
Poverty
All people
7.4%
Under 18 years
8.7%
18 and over
7.0%
Married-couple families
2.5%
Female-led households
19.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.4% |
| Retirement income | 32.1% |
| Supplemental Security | 3.7% |
| Cash public assistance | 2.8% |
| Food stamps / SNAP | 8.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.4% |
| High blood pressure | 28.1% |
| High cholesterol | 28.6% |
| Diabetes | 7.9% |
| Heart disease | 5.3% |
| Stroke | 2.5% |
| Asthma | 10.8% |
| Arthritis | 22.7% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.4% |
| Cancer | 6.0% |
| Behavior / access | % |
|---|---|
| Smoking | 14.7% |
| Binge drinking | 18.0% |
| No physical activity | 17.0% |
| Less than 7 hrs sleep | 31.0% |
| Depression | 25.9% |
| Fair or poor health | 12.1% |
| Poor mental health | 15.7% |
| Poor physical health | 9.5% |
| No health insurance | 10.8% |
| Visited doctor (checkup) | 68.8% |
| Visited dentist | 67.5% |
| Cholesterol screening | 85.9% |
| Teeth loss | 10.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 6,130 | 23.3% |
| Disability | % |
|---|---|
| Any disability | 16.5% |
| Under 18 | 3.7% |
| 18–64 years | 16.7% |
| 65 and over | 34.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.6% |
| Public insurance | 39.2% |
| No insurance | 5.2% |
| Uninsured under 19 | 2.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 37,075 | 92.3% |
| Spanish | 1,794 | 4.8% |
| Other Indo-European | 469 | 1.3% |
| Asian & Pacific Islander | 277 | 0.7% |
| Other languages | 1,048 | 2.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 36,603 | 91.1% |
| Born in same state | 35,537 | 88.4% |
| Born in different state | 11,277 | 28.1% |
| Foreign born | 1,066 | 2.7% |
| Naturalized citizen | 3,578 | 8.9% |
| Not a US citizen | 2,161 | 60.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 4,539 | 11.3% |
| Italian | 3,542 | 8.8% |
| Arab | 1,885 | 4.7% |
| Polish | 1,785 | 4.4% |
| English | 1,208 | 3% |
| Ancestry | Count | % |
|---|---|---|
| German | 435 | 1.1% |
| Dutch | 237 | 0.6% |
| Irish | 75 | 0.2% |
| Norwegian | 52 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.5% |
| Internet access | 97.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 98277
What city is ZIP code 98277 in?
ZIP code 98277 is primarily assigned to Oak Harbor, Washington.
What county is ZIP code 98277 in?
ZIP code 98277 falls within Island County, Washington.
Does ZIP code 98277 have a large veteran population?
23% of civilians in ZIP code 98277 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 98277?
The median home value in ZIP code 98277 is $415,500.
What is the population of ZIP code 98277?
ZIP code 98277 has an estimated population of 40,181 residents, with a density of 702 people per square mile.
What is the median household income in ZIP code 98277?
The median household income in ZIP code 98277 is $72,441, below the national median of ~$75,000.
What timezone is ZIP code 98277 in?
ZIP code 98277 observes the PST timezone.