John Sam Lake is a former census-designated place (CDP) in Snohomish County, Washington, United States. The population was 753 at the 2000 census. The CDP was discontinued at the 2010 census.

Geography

John Sam Lake is located at (48.109327, -122.245989).

According to the United States Census Bureau, the CDP has a total area of 5.0&nbsp;square miles (12.9&nbsp;km<sup>2</sup>), of which, 4.9&nbsp;square miles (12.7&nbsp;km<sup>2</sup>) of it is land and 0.1&nbsp;square miles (0.2&nbsp;km<sup>2</sup>) of it (1.61%) is water.

Demographics

As of the census