Hat Island Flag

Hat Island

County Seat:
No
Area (mi²):
0.688
State:
Washington

Hat Island is a CDP located in Snohomish County, Washington. Hat Island has a 2025 population of 26 . Hat Island is currently growing at a rate of 8.33% annually but its population has decreased by -57.38% since the most recent census, which recorded a population of 61 in 2020.

26
Total Population
38
Density (mi²)
2 8.33%
Growth

Hat Island Population

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)