Marrowstone, Washington

Marrowstone, Washington
Location of Marrowstone, Washington
Coordinates: 48°3′30″N 122°41′17″W / 48.05833°N 122.68806°W / 48.05833; -122.68806
CountryUnited States
StateWashington
CountyJefferson
Area
 • Total
6.3 sq mi (16.4 km2)
 • Land6.3 sq mi (16.4 km2)
 • Water0 sq mi (0.0 km2)
Elevation
16 ft (5 m)
Population
 (2010)
 • Total
844
 • Density132/sq mi (51.1/km2)
Time zoneUTC-8 (Pacific (PST))
 • Summer (DST)UTC-7 (PDT)
FIPS code53-43762
GNIS feature ID1852949

Marrowstone is a census-designated place (CDP) in Jefferson County, Washington, United States. As of the 2020 census, Marrowstone had a population of 995. All Marrowstone addresses are in Nordland, Washington, and the ZIP code for Marrowstone Island is 98358.

Marrowstone takes its name from Marrowstone Point, the northernmost point on Marrowstone Island. It was given the name "Marrow-Stone Point" in 1792 by the British explorer, George Vancouver, in describing the area's hard, clay-like soil.