Island County, WA Demographics & ZIP Codes
Island County, Washington demographics and median household income by ZIP code — 8 ZIP codes — population 86,747 — avg. income $91,856 — avg. home value $598,029. Compare income, housing, and ZIP-level data on US5.
Island County demographics
Island County, Washington covers 8 ZIP codes, with a combined ZIP-area population of about 86,747.
Median household income in Island County
The average median household income across ZIP codes in Island County, Washington is about $91,856 — about 5% above the WA ZIP average ($87,083), and about 22% above the U.S. median ($75,149).
Among ZIPs with income data, 98236 (Clinton) is near the top at about $103,941, while 98253 is near the bottom at about $73,393.
Housing in Island County
For housing in Island County, Washington, the average median home value is about $598,029 and the average median rent is about $1,322.
The most populous ZIP is 98277 (Oak Harbor) with about 40,338 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Island County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98277 | Oak Harbor | Island County | WA | 40,338 | $79,326 | $455,300 |
| 98282 | Camano | Island County | WA | 17,535 | $100,124 | $600,300 |
| 98239 | Coupeville | Island County | WA | 7,492 | $86,138 | $577,700 |
| 98236 | Clinton | Island County | WA | 7,052 | $103,941 | $611,000 |
| 98260 | Langley | Island County | WA | 5,480 | $100,490 | $646,100 |
| 98249 | Freeland | Island County | WA | 4,531 | $99,583 | $585,700 |
| 98278 | Whidbey Island Station | Island County | WA | 2,178 | — | — |
| 98253 | — | Island County | WA | 2,141 | $73,393 | $710,100 |
Frequently asked questions
What are the demographics of Island County?
Island County, Washington has a combined ZIP-area population of about 86,747 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Island County?
The average median household income across ZIP codes in Island County, Washington is about $91,856, about 5% above the state ZIP average ($87,083), and about 22% above the U.S. median ($75,149). Average median home value is about $598,029. Among ZIPs with data, 98236 (Clinton) is near the top ($103,941) and 98253 is near the bottom ($73,393).
How many ZIP codes are in Island County?
Island County, Washington includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Island County?
This page lists ZIP codes in Island County, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.