Oak Harbor is a city in Island County, Washington, home to about 24,362 people across 9.7 square miles. Its ZIP code is 98277.
Homes sold for a median of $317 per square foot in the three months ending August 2026, a seller’s market.
Mostly Oak Harbor; also Whidbey Island Station
Each card is that ZIP code’s whole market, including any part outside Oak Harbor. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Oak Harbor’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Oak Harbor well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Seattle–Tacoma International Airport (SEA)62 miles away |
|---|---|
| Closer regional airport | Friday Harbor Airport (FRD)23 miles away |
| Nearest city of 250,000+ | Seattle, WA50 miles away |
Straight-line distances from the center of Oak Harbor; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Oak Harbor had 24,622 residents in the 2020 census, up 24% since 2000.
It’s the 54th largest of 628 towns in Washington by population.
Island County grew from 1,870 residents in 1900 to 86,857 in 2020.
Island County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 70°F in summer, and winter lows average 37°F. About 19.9 inches of rain and melted snow fall in a typical year, with about 5 inches of snow.
Source: NOAA 1991–2020 climate normals, Whidbey Island Nas, WA weather station (3 miles away).
14,486 jobs at 1,941 businesses in Island County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
308 doctors and other health care providers list an office in Oak Harbor.
Nearest hospitals
Providers with an office here
| Primary care doctors | 23 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 36 |
| Nurse practitioners and physician assistants | 34 |
| Mental health providers | 145 |
| Physical and occupational therapists | 49 |
| Optometrists | 5 |
| Chiropractors | 10 |
| Pharmacies | 8 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (25 nearby)
Grocery stores (3 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 2 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1915.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Oak Harbor School District, Coupeville School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Oak Harbor ElementaryOak Harbor | Pre-K–4 | 411 | Public | 1.3 mi |
| Special EducationOak Harbor | Pre-K | 135 | Special Education | 1.6 mi |
| Toddler Learning CenterOak Harbor | Pre-K | — | Special Education | 1.7 mi |
| Broad View ElementaryOak Harbor | K–4 | 369 | Public | 2.0 mi |
| Crescent Harbor ElemOak Harbor | K–4 | 419 | Public | 1.9 mi |
| Hillcrest ElementaryOak Harbor | K–4 | 460 | Public | 2.0 mi |
| HomeconnectionOak Harbor | K–12 | 385 | Alternative Education | 1.6 mi |
| Oak Harbor Virtual AcademyOak Harbor | K–12 | — | Alternative Education | 1.9 mi |
| Olympic View ElemOak Harbor | K–4 | 411 | Public | 1.0 mi |
| Oak Harbor Intermediate SchoolOak Harbor | 5–6 | 767 | Public | 1.8 mi |
| North Whidbey Middle SchoolOak Harbor | 7–8 | 705 | Public | 1.2 mi |
| iGrad AcademyOak Harbor | 9–12 | 11 | Alternative Education | 1.7 mi |
| Oak Harbor High SchoolOak Harbor | 9–12 | 1,562 | Public | 1.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| North Whidbey Kids AcademyOak Harbor | Pre-K–2 | 12 | Nonsectarian | 1.1 mi |
| Oak Harbor Christian SchoolOak Harbor | Pre-K–8 | 90 | Christian (no specific denomination) | 1.3 mi |
| Bible Baptist Church SchoolOak Harbor | 1–11 | 12 | Baptist | 5.3 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
Buying or selling around Oak Harbor? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Whidbey Island Station.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.