Drainage summary
Island County, Washington has a recorded population of 86,478. For drainage, the page currently shows stormwater segments: ~ 83, ditches and channels: ~ 25, low points: ~ 11, road shoulders: ~ 55, residents covered: 86,478. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.