RANK #815 / 1001 NAT · #12 / 21 WA · POP 86,836
1YR FORECAST: +0.1%
5YR OUTLOOK: +23%
Island County, Washington, distinguishes itself through its unique geography, being composed entirely of islands, including the prominent Whidbey and Camano Islands. Located north of Seattle, Whidbey Island is about 27 miles from the city. The county seat, Coupeville, is a historic seaport town on Whidbey Island, known for its 19th-century architecture and views of Puget Sound and the Olympic Mountains. The community offers a mild, temperate climate due to the moderating effects of water and sheltering mountains, with Central Whidbey receiving notably less rain than Seattle. Outdoor recreation is a significant draw, with 54 park facilities across the islands, offering extensive trails for hiking, biking, and horseback riding, along with opportunities for boating, fishing, and beachcombing. Deception Pass State Park, with its cliffs, bluffs, and beaches, is a notable landmark.
Life in Island County is shaped by its island setting and the presence of Naval Air Station Whidbey Island in Oak Harbor, the county's largest city. The Naval Air Station is a major employer and economic driver, supporting thousands of direct and indirect jobs. While many residents are retirees or part-time residents drawn to the scenery and quality of life, others commute to jobs outside the county, often utilizing the ferry system. Island Transit provides fare-free bus service across Whidbey and Camano Islands, including connections to ferry terminals. The county's economy, while influenced by the military, also sees activity in tourism, service industries, and real estate. Public education is served by districts such as Oak Harbor, Coupeville, and South Whidbey.
Island County is one of 78 U.S. counties in this market profile — weaker than typical on the BoomTown Index. Within this cohort, its recent home-price change of +0.8% runs above the profile's typical -0.8%.
See all 78 Western Premium Correction counties →Overvalued relative to economy
Well below national median
Prices detached from rents
Housing looks overvalued at 43.8x — home prices are high relative to local economic output. Climate and geography support a structural premium. The typical U.S. county is 4–6x.
Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.
Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).
Source: Redfin · Census BPS — Browse sales on Redfin →
Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →
Bars show percentile rank among all 1001 counties.
The data is not encouraging — Island County scores just 18/100 on the Boom Town Index, ranking #815 of 1001 counties. Job growth at -0.6% and median household income of $90,551 reflect an economy that has been contracting or stagnating relative to the rest of the country.
Island County leans toward the expensive side. A median home value of $593,300 against an income-to-home-value ratio of 0.15 means housing eats a bigger share of local earnings than the national norm. Renters face $1,662/month on average.
Population and employment in Island County are both close to flat — population +0.1% YoY and jobs -0.6%. Home values shifted +0.8% over the past 12 months. A steady-state county, neither expanding quickly nor shrinking.
There's a moderate stream of newcomers. About 3.67% of residents moved from another state, which is above average and suggests Island County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.