THE KUSILVAK CENSUS AREA LAND BRIEF
Land in the
Subarctic Coastal Plains setting.
Kusilvak Census Area has 17,151.5 square miles of land in Alaska. 3 mapped landscape regions meet across Kusilvak Census Area: Subarctic Coastal Plains, Interior Forested Lowlands and Uplands, Interior Bottomlands.
Coastal plains and broad river deltas contain many lakes and winding channels. Wet tundra landscapes reflect the meeting of maritime and continental influences in western Alaska.
Regional context: Subarctic Coastal Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Kusilvak Census Area intersects 3 mapped regional units. The largest mapped shares are:
- Subarctic Coastal Plains66.3%
- Interior Forested Lowlands and Uplands26.3%
- Interior Bottomlands7.4%
Interior Forested Lowlands and Uplands in Kusilvak Census Area
Interior Alaska's lowlands and uplands form a varied mosaic of spruce, hardwoods and wet areas. Local relief, surface water and ground conditions create substantial differences across this broad inland region.
Read the regional source ↗Interior Bottomlands in Kusilvak Census Area
Nearly level river bottomlands contain oxbow lakes, thaw lakes and wet areas. Spruce and hardwood stands mix with shrub thickets along interior Alaska's larger rivers.
Read the regional source ↗Finding your parcel within Kusilvak Census Area
The atlas lists 13 cities, towns, townships, and Census communities associated with Kusilvak Census Area, including St. Mary's, Alakanuk, Nunam Iqua. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Kusilvak Census Area by land and water
The Census records 2,507.1 square miles of water within Kusilvak Census Area, or 12.8% of its total area. That share is close to Kusilvak Census Area’s 12.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Kusilvak Census Area has 385.7 times the land area of nearby St. Mary's city (44.5 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bethel Census Area, Nome Census Area, Yukon-Koyukuk Census Area within Alaska. A tract near one of these lines should be matched to the county identifier on its own records.

