Coupeville is a town in Island County, Washington, home to about 1,980 people across 1.3 square miles. Its ZIP code is 98239.
Homes sold for a median of $387 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Coupeville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Seattle–Tacoma International Airport (SEA)56 miles away |
|---|---|
| Closer regional airport | Arlington Municipal Airport24 miles away |
| Nearest city of 250,000+ | Seattle, WA44 miles away |
Straight-line distances from the center of Coupeville; 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.
Coupeville had 1,942 residents in the 2020 census, up 13% since 2000.
It’s the 316th 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 71°F in summer, and winter lows average 36°F. About 21.8 inches of rain and melted snow fall in a typical year, with about 3 inches of snow.
Source: NOAA 1991–2020 climate normals, Coupeville 1 S, WA weather station (about a mile 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).
146 doctors and other health care providers list an office in Coupeville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 8 |
|---|---|
| Specialist doctors | 36 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 25 |
| Mental health providers | 58 |
| Physical and occupational therapists | 16 |
| Chiropractors | 2 |
| Pharmacies | 3 |
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 (5 nearby)
Grocery stores (1 nearby)
Pharmacies
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1 mile 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.
Public schools here are run by Coupeville School District. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Coupeville Elementary SchoolCoupeville | Pre-K–5 | 492 | Public | 0.6 mi |
| Coupeville Middle SchoolCoupeville | 6–8 | 158 | Public | 0.8 mi |
| Island Juvenile Detention Education ProgramCoupeville | 7–12 | — | Public | 0.2 mi |
| Coupeville High SchoolCoupeville | 9–12 | 256 | Public | 0.8 mi |
| Coupeville Open AcademyCoupeville | 9–12 | 46 | Alternative Education | 0.8 mi |
| Island County Corrections Facility Ed ProgramCoupeville | 9–12 | — | Public | 0.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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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.