Washington · FIPS 53029 · County seat: Coupeville
Island County, WA GIS & Parcel Viewer
Island County, Washington parcel data lives on Island County Parcel Viewer. Open it below in a new tab, then use the short steps on this page to find a property fast.
Open the Island County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Island County Parcel Viewer |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Coupeville |
| Population | 86,267 (2023 Census Bureau estimate) |
| Land area | 208 sq mi |
| FIPS code | 53029 |
About the official source
It is a county-level map: Island County or the company it hires keeps the parcel layer up to date. When we tested the link in October 2026 it opened with no login and no fee.
Finding a property on this map
- Press the button above; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
- Search by address or parcel ID, or pan to the area.
- Select a parcel to view the information the publisher makes available.
- Explore the app's panels for layers, legends or printing.
If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.
Island County by the numbers
Island County had an estimated 86,267 residents in 2023, according to the Census Bureau. With about 208 square miles of land, that works out to roughly 415 people per square mile. Among Washington's 39 counties, it is the 15th largest by population. Another 309 square miles of water fall within its lines, according to Census mapping. Its county seat is Coupeville.
Counties next to Island County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Island County:
A note on accuracy
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.