THE SUMAS LAND BRIEF
Land in the
Fraser Lowland setting.
Sumas city has 1.47 square miles of land in Whatcom County. Its Census reference point is in Fraser Lowland, within Puget Lowland.
A glacial lowland surrounds Puget Sound with islands, bays, peninsulas and rolling terrain. Moraines, outwash plains and river terraces create a varied setting beneath the region's maritime climate.
Regional context: Puget Lowland ↗ · Classification at the Census reference point
Sumas and Whatcom County
Sumas is associated with Whatcom County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Sumas by land and water
The Census records <0.01 square miles of water within Sumas, or 0.1% of its total area. It is 15.7 percentage points lower than the 15.8% recorded for Whatcom County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Sumas city has 1.6 times the land area of nearby Nooksack city (0.92 square miles). These areas describe boundaries, not comparable property prices.

